12 best battery maintenance chargers

Battery maintenance chargers, also known as battery maintainers or trickle chargers, are devices designed to keep automotive and other types of batteries in good condition when they are not in use. These chargers are commonly used for vehicles like cars, motorcycles, boats, and recreational vehicles (RVs). Here's what you should know about battery maintenance chargers:

  1. Purpose: Battery maintenance chargers are primarily used to prevent the self-discharge of batteries during periods of inactivity. They help maintain the battery's charge level and overall health, ensuring it remains ready for use.

  2. Types: There are two main types of battery maintenance chargers:

    • Trickle Chargers: These chargers provide a low, steady flow of electricity to the battery to offset natural self-discharge.They are designed for long-term use and are often left connected to the battery indefinitely.
    • Float Chargers: Float chargers are similar to trickle chargers but are designed to automatically switch to a maintenance mode when the battery is fully charged. This prevents overcharging and damage to the battery.
  3. Battery Compatibility: Battery maintenance chargers are compatible with various types of batteries, including lead-acid, AGM (Absorbent Glass Mat), and gel batteries. It's essential to choose a charger that matches the type of battery you have.

  4. Connection: To use a battery maintenance charger, you typically connect it to the battery terminals. Some chargers have quick-connect features or pigtail leads for easy attachment.

  5. Voltage and Amperage: Battery maintenance chargers are available in different voltage and amperage ratings. The appropriate charger depends on the battery's voltage and capacity. It's essential to select a charger that matches your battery's requirements to avoid damage.

  6. Maintenance Mode: Many modern battery maintenance chargers have a maintenance or float mode. This mode ensures that the battery is not overcharged and can be safely connected for an extended period.

  7. Safety Features: Battery maintenance chargers often come with safety features like reverse polarity protection, short-circuit protection, and spark-proof connectors to prevent accidents and damage to the charger, battery, or vehicle.

  8. Indicators: Some chargers have LED indicators or digital displays to provide information about the charging status and battery health.

  9. Benefits: Battery maintenance chargers offer several benefits, including:

    • Prolonging battery life by preventing sulfation (a common cause of battery failure).
    • Ensuring that the battery is always ready for use, especially in vehicles that are stored for extended periods.
    • Saving money by extending the lifespan of expensive batteries.
  10. Usage: Battery maintenance chargers are typically used in situations where a vehicle or equipment is stored for an extended period, such as during winter storage for boats or motorcycles, or for maintaining the battery in an infrequently used vehicle.

  11. Maintenance Tips: Regularly inspecting the battery and charger for signs of damage, cleaning the battery terminals, and following manufacturer recommendations for usage and maintenance are essential to ensure effective and safe operation.

In summary, battery maintenance chargers are valuable tools for preserving the health and longevity of automotive and other batteries during periods of inactivity. They help prevent battery discharge and extend the lifespan of batteries, ultimately saving time and money. Choosing the right charger for your specific battery type and needs is crucial for effective maintenance.

Below you can find our editor's choice of the best battery maintenance chargers on the market
  

Battery Tender Junior 12V Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for Motorcycle, ATVs, and More - Smart 12 Volt, 750mA Battery Float Chargers - 021-0123

Based on 28 reviews Check latest price
  • STAY CHARGED: Provides a full charge to your machine’s battery before switching to float mode to maintain proper voltage levels for safe, long term storage without overcharging. Spark proof during lead connection, reverse polarity protected and includes a 12-foot output cord and 5-year warranty
  • EASY TO USE: Low maintenance design to be quick and easy to use, our universal powersport vehicle charger and maintainer is compact and lightweight. Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell) and safety timer-80 hours
  • EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) to be ideal for use in long term storage. Complete 4-step charging program (Initialization, Bulk Charge, Float Mode) allows for optimization of battery power, without overcharging
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power. Automatic charge cycle functionality switches to float mode after fully charging the battery
  • SAFE AND SECURE: Our 12v battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct. Solid state two color LED indicates stage of charger and if the battery voltage drops too far under load, full charger output power resumes

User questions & answers

Question: Why is it not recommended to keep a trickle charger hooked up all the time
Answer: beats me. i keep mine hooked up from 12/31 to 4/1 and only then do i take it off. my understanding is that you do not need to disconnect it-it powers down on its own, but you mught want to find the user nistructions and check me on that. good product if youre not in a hurry
Question: how fast does it work
Answer: if your battery is low it may take up to 3 0r 4 days since it's a low amp charge and designed to keep the battery at full charge once it's at full charge. This charger is super for use when you don't drive the vehicle a lot and it sits for any length. it can be used on the battery in the car or taken out, once it's on it can stay plugged in all winter of summer just unplug it when you go driving. If the car stays outside they make a waterproof model. If your looking for a fast charger this is not what you want, if you do buy this make sure it's the 12 volt model ... hope this will help you
Question: Why is this not available in California
Answer: Charge for free! Buy a low wattage solar battery charger/maintainer at Harbor Freight instead because it works very well maintaining the battery charge provided that the battery is fully charged before hooking up this solar charger.... it will only maintain the charge. Not made to fully charge a discharged battery. Point the solar panel southwest to get the most out of the sunlight during daytime. I have used this $9.99 if on sale gadget for years now on my boat and car and has not failed me yet. It comes with all the hook up accessories needed. I have not used the boat for 2.5 years at a time and the gel battery is as good as when I installed it 7 years ago. My car wet cell battery also is as good as when I first installed it and I only use the car abroad every 12 months when I am in town for 3 weeks. Car or Boat batteries Gel or not will not last it's lifetime if it is always discharged and recharged. Maintaining the charge is key to it's longevity. Good luck! No need to blame anybody. The State of California is an environmentally conscious state and that is a good thing for everybody.
Question: Can this be used to charge an AGM battery
Answer: Stupid me, but don't all lead acid batteries use the same chemistry? I've read only that 6-cell lead-acid batteries should never use a charging voltage exceeding 14.4 volts, since water will begin to H2 gas and O2 gas above that. You risk explosion and loss of electrolyte beyond that. Explain why this is different for AGM, Flooded, and Gel batteries!

HOYOA 6V and 12V battery charger 750ma battery charger maintenance charger trickle charge Maintain Charger Lead Acid Gel/AGM for Car Automotive Motorcycles and Lawn Mower

Based on 290 reviews Check latest price
  • [6V / 12V,] 6V and 12V can be selected, so you don't have to buy two chargers. Anyone can use it with ease! Simply connect the battery to the outlet and select the charging mode to use the charger.
  • [Easy to operate] It is easy and safe for beginners regardless of gender to connect to the battery and be careful of the polarity of the charging clip. It comes with a vehicle cable and an alligator clip for easy replacement, making it even more convenient to use. Besides, the battery can be charged without removing it from the car, and the liquid type battery can be charged without opening the lid.
  • [Safety protection]: This product is equipped with protection circuits for overcharge / overvoltage / overcurrent / short circuit, so you can work more safely and comfortably. It also has technologies such as overcurrent protection, short circuit protection, reverse connection protection, overheat protection, overvoltage protection and low voltage protection, and has excellent durability!
  • [Four charging modes]: Bike / car battery charger is a four-stage fully automatic charging system that includes initialization (checking the battery), bulk charging, absorber charging, and float charging. When the battery is fully charged, the status indicator LED will change to steady green and the charger will switch to maintenance charging mode, and there is no worry of overcharging with the trickle charge after charging is complete and the charger is still connected.
  • [Quality Assurance]We take every possible measure to ensure the quality of our products. However, if you have any defects, damages, or product differences due to individual differences, please do not hesitate to contact us. We will do our best to satisfy our customers.

User questions & answers

Question: How do I choose trickle charger or fast charger,which is good for my battery
Answer: This is 100% brown Teff flour
Question: Can you run this trickle charger off of a extension cord
Answer: I cannot determine if this is organic or not. I just have to accept what's on the label. Otherwise, is there a specific test that I can conduct myself to determine the organic nature of a food product?
Question: Does this trickle charger have to be plugged in to work
Answer: It is imported from South Africa. Not Ethiopia. Thanks for your support
Question: How long will it take to fully charge a 12v battery?Are there any formula for calculating this? Can it charge a 12v large capacity battery
Answer: The injera made with it are the color of strong coffee or espresso. This leads me to think it is the dark teff. However, it is the first teff I’ve ever tried, so I am not positive about this.

Product features

Professional manufacturer — HOYOA

The latest version 6V 12V 750mA can do the daily charge and maintenance work for all the lead acid batteries. With the special pulse current recovery technology, it can recover most of the sulfated batteries and deeply discharged batteries.

Impotant Note:

When you select the battery mode, You must disconnect the battery.

Quick Disconnect Harness

Connect and disconnect the charger with the battery easily

Automatic Charging Maintaining

Fully Automatic charging & maintaining. Connect and leave it.

Reversed Hook-Up Protection

Checks for a correct connection before giving power.

Multiple protection

Protects against Overcharging, Short-circuits and Reverse polarity.

LEICESTERCN Car Battery Charger Maintainer 6V 12 Volt Trickle Charger Smart Automatic Repair Maintenance for Automotive, Motorcycle, Lawn Mower, Boat, AGM, GEL, Detachable O-Rings Alligator Clips

Based on 255 reviews Check latest price
  • √ APPLY TO 6V & 12V - Works with all types of 6 volt and 12 volt Pb/SLA/VRLA/GEL/AGM lead-acid batteries, smart car battery charger for motorcycles, automotive, automobile, riding lawnmower, tractor, ATV, RVs, Boat,Marine, snowmobiles, camper, trolling motor, etc, also intelligently identify 6V and 12V battery, but manual selection is required for 12V Motorcycle and 12V Car.
  • √ SAFETY GUARANTEE MAINTENANCE CHARGER- Multi protection tricle chargers against Reverse Polarity, Short Circuit, Over Current, Over Charge, Overload, Overheat; Detachable alligator clips and ring connectors with 10A fuse, snow mode for low temperature operation, fire retardant materials, full-loaded and burn-in test prove its stable performance, eliminating all issues about getting this 6V 12V motorcycle battery charger.
  • √ 6-STAGE AUTOMATIC CHARGING - [Desulfation, Soft start, Bulk, Absorption, Battery test, Trickle] by MCU controller, monitor the whole charging progress, automatically switches to float mode when battery is fully charged, the motorcycle battery charger will recover batteries and extend the battery life more effectively.
  • √ INTELLIGENT DETECTION & INTUITIVE LCD SCREEN - When low-voltage, vulcanized or capacity loss is detected, LST battery maintainer charger directly prompt user to repair and charge or the battery has lost its value. And digital readout LCD screen displays charging status, battery voltage/current, battery status clearly, provide visual feedback and diagnostic information even when in maintenance mode.
  • √ 100% SATISFACTORY BATTERY FLOAT CHARGER - Strong pulse repair technology, remove vulcanization, repair slightly damaged batteries, reduce water loss, just get 6V 12V trickle charger for car batteries with confidence; LST portable trickle battery charger offer 3-Year quality assurance & 12-Month refund & 24/7 after-sale services.

Product features

INTELLIGENT MCU CONTROLLED

  • Intelligently identify 6V and 12V batteries
  • Automatically stop output when fully charged

SMART TEMPERATURE CONTROL

  • Switch to winter mode when the temperature is below 15°C( 59℉ )

QUALITY COOLING SYSTEM

  • Reduce heat and prevent from current shortage
  • Rotate faster to avoid overheating when comes to 107℉ or more

INTELLIGENT 6-STAGE CHARGING

  • Low power consumption
  • Zero current draw from the battery
  • Comply with the highest energy saving standard
  • Unique winter mode for better charging in winter
  • Automatically control the charging process according to the level of battery voltage

PULSE REPAIR CHARGR

  • Regular Repair Charging
  • When vulcanization inside the battery, please start the Regular Repair for charging next time.

  • Special Repair Charging
  • If 12V battery voltage is lower than 8V and higher than 2V, please start the Special Repair, which must guard the battery for more than 15 minutes to prevent accidents

BATTERY CHARGE & MAINTAIN

  • Input voltage: 100-120V AC
  • Output current: DC 6V-2A / 12V-2A/4A
  • Recommended battery capacity: 4.5AH ~ 100AH
  • Notice: LEICESTERCN 6V 12V trickle chargers can be used on larger capacity battery, just more charging time, no damage to your battery.

MAINTENANCE CHARGER

  • Remove vulcanization
  • Repair slightly damaged battery
  • Pulse Maintenance charging extends battery life and gives superb performance

Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger

Based on 5 reviews Check latest price
  • (Safety with ETL Listed): Spark proof during lead connection, reverse polarity protected and includes a 8 foot output cord and 2 year warranty
  • Perfect for all lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell), also Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode)
  • Small size 3.9 x 2.4 x 1.25 in and suitable for Most Vehicles: adapts to all kinds of 12V battery for automobiles, motorcycles, ATVs, personal watercraft, RVs, boats, airplanes, golf carts, back-up generator systems lawn mower, etc, batteries using either the ring or alligator connectors, automatically switches to float, maintenance voltage after fully charging the battery
  • Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode.
  • It will charge and maintain your battery so that it is ready to go when you are! It's lightweight, fully automatic and easy to use

User questions & answers

Question: is it support 220v
Answer: My box says: Input 100~240V~1A, 47~63Hz Device says: Input 100-120V~50/60Hz 1A Instructions say: Input AC 100-240V Don’t know what to believe...
Question: Do I need to disconnect my car battery, or can I just add the clamps to the installed battery
Answer: I have it on my generator battery but I am told that you can leave them on a car battery also. I took battery connections apart and put the two rings on the battery. Then its ready to charge at any time.
Question: I have a 92 f350 diesel that has two batteries. Can I hook this up to one side and it will keep both battries charged
Answer: Use a digital multimeter to check continuity between + and + on both batteries, as well as - and -. If batteries have a common + and - node with each other, they are in parallel and this charger will charge both simultaneously. If there is no continuity, there is an internal relay isolating the batteries from each other and you'll have to charge individually.
Question: Can this be used to Jump Start my car
Answer: No way will this help to Jump start a car. If you allow it to charge the battery then let the battery start the car it will have done its' job. When a starter on a car engages the cranking mechanism of the car it draws hundreds (greater than 300 and probably closer to 400) AMPS. The charger cannot supply anywhere near that kind of current. The charger can supply 1000 ma (that's milliamps which = so, .001 amp. X1000 = 1 Amp. To try and start a car with this charger may likely damage it. Hope this helps.

MOTOPOWER MP00206A 12V 1.5Amp Automatic Battery Charger, Battery Maintainer for Cars, Motorcycles, ATVs, RVs, Powersports, Boat and More. Smart, Compact and Eco Friendly

Based on 693 reviews Check latest price

Product description

battery charger, car battery charger, battery charger automotive, battery maintainer, 12v battery charger, 12 volt battery charger, 6v battery charger, 6 volt battery charger, auto battery charger, agm battery charger, deep cycle battery charger, bike battery charger, motorcycle battery charger, car battery maintainer, automotive battery charger, motorcycle charger for battery, battery charger for cars, automatic battery charger, trickel battery charger automotive, trickle charger, trickle charger for car, trickle charger for car battery, trickle charger for 12 volt batteries, trickle charger for motorcycle battery, trickle charger 12v, trickle charger 6v, trickle charger for motorcycle, trickle charger for automobiles, trickle charger for lawn mower, battery maintainer 12 volt, battery maintainer 6 volt, battery maintainer automotive, battery maintainer charger, car battery chargers automotive, car battery charger portable, car battery charger maintainer, car battery charger 12v, car battery charger 12 volt, car battery charger 6v, car battery charger 6 volt, car battery charger automotive 12v, agm battery charger maintainer, agm battery charger automotive, agm battery charger 12v, deep cycle battery charger maintainer, deep cycle battery charger 12v, motorcycle battery maintainer, motorcycle battery trickle charger, motorcycle battery charger and maintainer, car battery trickle charger and maintainer, car battery charger maintainer, trickle charger for m arine battery, trickle charger for atv battery, atv trickle charger, motorcycle trickle charger, trickle charger for truck, boat trickle charger, boat battery charger, marine battery charger, boat battery maintainer, marine battery maintainer, marine battery charger maintainer, 12v trickle battery charger, 12v trickle charger, 12 volt trickle charger, 6v trickle charger, 6 volt trickle charger, 12v battery charger automotive, lithium battery charger, lithium battery charger 12v, lithium battery charger motorcycle

  • ✅【Compact, Smart & Durable】 - It can charge all types of 12V lead-acid batteries, including flooded or sealed maintenance free batteries (AGM & gel cell). It's the best smart charger for automotive, motorcycle, marine, RV, Powersport, lawn&garden, children toys, etc.
  • ✅【Fully Automatic】- No need of any manual operation, just plug and leave it for charging and maintaining your batteries automatically for long time. The microprocessor controlled program will monitor the whole charging progress and automatically stop when the battery is fully charged. Then it will monitor the battery voltage and maintain the battery with a float charging current.
  • ✅【Safety Protection】- Micro-processor Controlled program. No worry about overcharge, short circuit and reverse polarity. Spark-free technology applied. Featured Constant Pulse Current Maintenance function helps the battery avoid excessive charge and discharge.
  • ✅【SAE Quick Release Adapters】- With SAE quick release connection options: Ring Terminals (7.5amp fused for safety protection) or Alligator Clips. With the ring terminal harness connecting with the battery permanently, it's so easy to connect the charger by the SAE adapters when needed. Fuse protection will avoid danger of short circuit or overload.
  • ✅【Two-year Warranty & ETL Safety Certified】- Energy Saving design - No output without load. Certified by CE, RoHS, UL and CEC. Conform to the CEC (​CALIFORNIA ENERGY COMMISSION) standard - BC mark. TWO YEAR WARRANTY AND 100% SATISFACTION SERVICE - Hassle-free return or refund for any product quality issue. 100% satisfaction service and technical assistance will be provided by contacting our professional customer service team.

User questions & answers

Question: Is the 220v electrical connection possible
Answer: NO
Question: Pachage includes
Answer: This spelt is whole grain.
Question: Can unit be disconnected from 120v but remain connected to 12v battery when auto engine is running without damage to charger
Answer: Spelt is NOT gluten free. It most certainly contains gluten, and is NOT for Celiacs. However, non-celiacs who are wheat intolerant can often eat spelt without a reaction. My husband has terrible allergies to many grasses. He had to have his sinuses re-carved/formed because they had all filled in due to so many years of terrible inflammation - that's how bad his allergies are, not to mention the steroids and other meds he has used for years to try to control his allergies. He started seeing a naturopathic doctor in 2012 who put him on an elimination diet, and found that he is allergic to wheat - which is a GRASS. Now that he has gone wheat free, his nose gets painfully inflamed and congested (like it always did) when he so much as consumes regular oats (which are contaminated with wheat), or anything contaminated with wheat. Gluten free oats do not bother him. He hardly uses his meds any more, which is remarkable! The ND explained that the allergy to grasses combined with the wheat(a grass) in the diet, has an additive effect, which is why his nasal response has been so profound. So, he has found that spelt is okay and does not bother his nose. So, he is not gluten free so much as wheat free, but since most gluten in products is from wheat, he can't have any of that without feeling the effect. But spelt seems to be fine. We are going to try Einkorn wheat soon and see if he tolerates that. Again, spelt is NOT gluten free, but for non-celiacs it may be okay for wheat-intolerant people. I assume that if spelt was processed on equipment that processes wheat, it would be problematic for my husband.
Question: How long is total cord including cord and cables? is this water proof
Answer: Not completely sure, but most teff comes from Africa. We had teff in Ethiopia; it is a staple there, like bread is here.

NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO

Based on 11 reviews Check latest price

Product description

Introducing the all-new GENIUS1, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS1 is a 6-volt and 12-volt battery charger, battery maintainer, trickle charger, and battery desulfator, rated at 1-amp for all types of lead-acid and lithium-ion batteries, including flooded, gel, and AGM, as well as, marine and deep-cycle batteries.



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  • Meet the GENIUS1 - Similar to our G750, just better. It's 35% smaller and delivers 35% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
  • Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.

Heagstat Trickle Battery Charger 6V 12V 1000mA Automatic Smart Battery Maintainer for Auto Car Motorcycle Lawn Mower Boat ATV SLA AGM GEL CELL Lead Acid Batteries

Based on 275 reviews Check latest price
  • Two battery voltage mode selection: 6V and 12V Lead Acid. IMPORTANT: When you select the battery mode, You must disconnect the battery.
  • Perfect for charging all lead-acid, flooded, sealed maintenance free batteries (AGM and gel cell) up to 75Ah, Safely maintain all types of motorcycle, automotive, marine, RV, powersport, lawnmower & garden etc.
  • No sparks, reverse polarity protection, overcharging protection, short-circuit protection, over temperature protection, Bad battery identify and power down memory function.
  • Adopt 4-stage smart charging and maintains principle (Initialization, Bulk Charge, Absorption Mode, Float Mode) to ensure maximum battery life and performance, without overcharging.
  • Intuitive LED indicators provide visual charging state feedback and diagnostic information. Easy connection to vehicle battery using the included battery clips and O-ring terminals. Includes a 12-foot output cord and 2-year warranty.

User questions & answers

Question: My battery terminal nuts are too large to fit through the holes in the O-ring terminals. If I try to drill them larger they could get destroyed
Answer: You may need to go to any auto parts store and get a a pair of larger ring terminal connectors and replace the originals (cut the ring terminal connectors off, strip 3/8" wire insulation and crimp or solder on new ring terminal connectors with the larger hole ID from the auto parts store), which are intended for motorsports applications 6mm dia.
Question: The box says 5-85ah, the manual says 8-85ah which is it because i have a 6ah 12v lithium/lifepo4? is this battery to small to use this charger
Answer: 2A charging is 33% of the battery total capacity. Little high, but still feasible when it comes to lithium batteries.
Question: When this charger charges lifepo4 batteries does it charge them to 14.6 volts or how many volts max
Answer: It charged mine to 14.6
Question: Will this recover a lifep04 battery that is dead or not showing volts on a voltmeter, likely 3.5v
Answer: I strongly doubt that.

Product features

4-STAGES STANDARD CHARGE & MAINTAIN MODES

  1. Initialization: Initialize diagnostic battery performance and desulfating the battery through 17V pulse.
  2. Bulk: Major charging stage where the battery receives the majority of its charge. During this stage the battery brought to 75 - 80% of its charger. The Heagstat charger delivers maximum current until the terminal voltage has risen to the full charge level for Normal battery.
  3. Absorption: Completes the charge up to virtually 100% at a constant voltage. The current tapers off after the current reached the minimum level.
  4. Float: Maintenance charging at constant voltage, keeping the batteries at 100% charge. Float mode chargers indefinitely without damaging the battery.

EASY TO USE

This trickle charger has a very simple operation design, so very easy to use.

  1. Firstly, Connect the AC power supply.
  2. Secondly, Choose the right battery type( 6V or 12V ).
  3. At Last, Correct connect the battery.

IMPORTANT: When you select the battery mode, You must disconnect the battery.

Package:

1 x 6V / 12V 1A Battery Charger / Maintainer

1 x Alligator Clips Cable

1 x Battery Rings Cable

1 x User Manual

NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO

Based on 3 reviews Check latest price

Product description

Introducing the all-new GENIUS2, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS2 is a 6-volt and 12-volt battery charger, battery maintainer, trickle charger, and battery desulfator, rated at 2-amp for all types of lead-acid and lithium-ion batteries, including flooded, gel, and AGM, as well as, marine and deep-cycle batteries.



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  • Meet the GENIUS2 - Similar to our G1100, just better. It's 34% smaller and delivers 65% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
  • Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.

Schumacher SP1297 3 Amp 6V/12V Fully Automatic Smart Battery Charger Maintainer and Auto Desulfator Auto 6V/12V Battery Detection For Cars, Motorcycles, Lawn Tractors, Power Sports, Marine Batteries

Based on 1 reviews Check latest price

Product description

The Schumacher SP1297 12V Fully Automatic Battery Charger and 3A Maintainer is great for motorcycle, car and marine batteries. It’s energy efficient and fully automatic. The clamp and ring terminal adapters are easy to connect, and the convenient hook attachment lets you hang the unit outside of the work area. The microprocessor automatically adjusts the amperage rate with multi-stage charging and float mode monitoring for optimum charging and maintaining to extend battery life. This battery charger features reverse hook-up protection which prevents the charger from operating if the clamps are reversed. The scrolling digital messaging provides step-by-step instructions to properly charge your battery. This unit includes a hook attachment which allows it to hang outside of the work area for safety and convenience.

  • Delivers 3A to charge and maintain your motorcycle, car and marine battery
  • Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life
  • Reverse hook-up protection prevents the charger from operating if the clamps are reversed
  • Float-mode monitoring automatically maintains optimum battery charge
  • Includes hook attachment to hang outside the work area for safety and convenience

User questions & answers

Question: Can this. Be used to jumpstart a car
Answer: I've only used it to jump my riding lawn mower. The product description does say it can be used to jump cars. Perhaps you can call the manufacturer.
Question: Is this something I can charge and use or does it have to be plugged into an outlet to work
Answer: The SP1297 does not store power - it has to be plugged into an A/C power in order to operate
Question: Will it work with battery U1R-1T titan battery
Answer: Yes, the SP1297 will work with this specific battery
Question: How warm or hot does the unit get while recharging 12V battery
Answer: Mine does not get hot at all. If I leave it on for hours it does get warm but never so hot I cannot touch it.

[2-Pack] LEICESTERCN 12V Battery Trickle Charger Maintainer Portable Smart Float Charger for Car Motorcycle Lawn Mower SLA AGM GEL CELL WET Lead Acid Batteries

Based on 297 reviews Check latest price
  • √ Perfect for all 12V lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell); It's smart car battery charger for automobiles, automotive, marine, boats, camper, trolling motor, RVs, ATVs, watercraft, powersport, riding lawnmower, lawn tractor, snowmobiles, etc.
  • √ Safety Guarantee - Multi protection against Reverse polarity/ Short Circuit/ Over Voltage/ Over Current/ Overload/ Overheat; Spark proof during lead connection; Water and dust resistant float charger, full-loaded and burn-in test proves its stable performance and high reliability.
  • √ 4-Stage Automatic Charging - Features with detachable ring or alligator connectors, charge and maintain your battery wherever you go; the battery maintenance charger monitor the whole charging process, automatically switches to float mode after fully charging the battery by MCU controlled; LST motorcycle battery charger will recover batteries more effectively and extend the battery life.
  • √ Intuitive LED Indicator - 12 volt automotive battery maintainer charger provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Input 100-240V, ultra-compact and lightweight, easy to carry the 12v battery charger everywhere.
  • √ 100% Satisfactory Float Charger - You will get 2-Pack awesome trickle chargers for 12 volt batteries with decent package; LST trickle battery charger offer 3-Year quality assurance & 12-Month refund & timely after-sale services.

User questions & answers

Question: Is the charger compatible with petrol opel corsa battery
Answer: Hi, this battery trickle charger can perfectly charge for all 12V lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell).
Question: Is there an auto shutoff if battery gets fully charged
Answer: Hi, the battery charger monitor the whole charging process, it will automatically switches to float mode after fully charging the battery.
Question: What’s the warranty on this charger
Answer: Thank u for your kindly attention on this smart battery charger, it comes with 3-Year quality warranty & 12-month money back & 24/7 after-sale services! You deserve to own it!
Question: Are these recommended for deep cycle RV batteries
Answer: Mot sure my problem with them was limited hook up options

Product features

4 STAGE- CHARGE & MAINTAIN MODES

1. Desulfation - Detects battery sulfation or severe discharge.

2. Bulk charge - Using highest rated current till 80% capacity.

3. Absorption - Till its full capacity without overheating.

4. Float - Maintain the battery through pulse charging.

Warm Tips: If battery stays at stage 2 after 24 hours of charging, the battery is defective.

Fully Automatic

No need of any manual operation, just plug and leave it.

Reverse Polarity Protection

Checks for the correct connection before giving power.

Sparkproof

Only give power with correct connection with batteries.

Quick Disconnect Harness

Connect and disconnect the 12 volt trickle chargers in seconds.

INTUITIVE LED INDICATOR

2 LED indicator for battery charging 50%, 100%.

Diagnostic & Recovery

The Fault light ON when detecting reverse polarity,short circuit or damaged batteries.

Applies a high-voltage pulse charge when low-voltage, sulfation or lost capacity is detected.

REFERENCE CHARGING TIME

Charge Battery : 3-30AH

Maintain Battery : 3-45AH

Note: LST battery float charger can be used with larger capacity battery,

just longer charging time, no damage to your battery.

MULTI-LEVEL SAFETY

MCU Controlled

Assuring correct level of power is sent to the battery at all times.

Connect and Forget It

Once connected, the motorcycle trickle charger manage your

battery' s health on it' s own.

PACKAGE CONTENTS

- 2 x Battery Charger & Maintainer

- 2 x Alligator Clips for an alternate connection

- 2 x Fused Ring Terminal Harness for hard to reach spaces

- 2 x Instruction Manual

STANLEY BM1S Fully Automatic 1 Amp 12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals

STANLEY

Based on 489 reviews Check latest price

Product description

The STANLEY BM1S high frequency battery charger and maintainer is used to keep batteries in stored vehicles and battery applications at optimal capacity during the off season. With 1 Amp rapid charge, charges 12 volt batteries in most RVs, specialty vehicles, antique and classic cars, marine deep cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, and personal watercrafts. Connect the battery charger and maintainer with the included battery clips or battery ring terminals. Charging automatically stops when battery is fully charged or topped off and switches to float mode monitoring to maintain charge. Built-in circuit protection guards against overcharging, reverse polarity, or short circuit. The STANLEY BM1S battery charger and maintainer is sealed for protection against moisture, dust and oil; includes a limited 1 year manufacturer warranty.

  • Charges and maintains 12 volt batteries in most vehicles using 1 Amp rapid charge
  • Easy connection to vehicle battery using battery clips or O-ring terminals
  • Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring
  • Built-in circuit protection guards against overcharging, reverse polarity, or short circuit
  • Sealed for protection against moisture, dust, and oil

User questions & answers

Question: Will the green (fully charged) light come on after the battery is fully charged (even with the battery still connected to the car in sleep mode
Answer: #2 M 5-6.5 / W 7-8.5
Question: Hi. Is it for Argentina? Here we have 220 v
Answer: Arch support is great with these. I am flat foot with plantar fibromas and these have saved me feet time after time. I highly recommend them but be sure you have enough room in your shoes for them, they are thick. Work well with my Easy Spirit slide on shoes.
Question: Why won't the lights on the charger come on when i connect it to my car battery or my motorcycle battery
Answer: These don't have the more rigid plastic on the bottom that the Powerstep Pinnacle has. They also don't offer as much support to the arch. However, these are thicker and have way more cushioning, which I find really comfortable.
Question: why does the light alternate between yellow and green
Answer: The Powerstep SlimTech is not a "one size fits all" orthotic. We recommend you search for a different listing as you should be able to select gender and shoe size when purchasing the Powerstep SlimTech.I hope this information is helpful!

Battery Tender Plus 12V Battery Charger and Maintainer: 1.25 Amp Powersport Battery Charlll=ger and Maintainer for Motorcycles, ATVs, UTVs, and More - Smart 12 Volt Automatic Float Chargers by Deltran - 021-0128

Battery Tender

Based on 10 reviews Check latest price
  • STAY CHARGED: The 1.25 amp charger provides a full charge to your powersports battery before automatically switching to float mode to maintain proper voltage levels without overcharging the battery
  • EASY, FAST CHARGING: A low maintenance design to be quick and easy to use even in small storage spaces, our powersport charger and maintainer charges as fast or faster than any 3 amp charger available
  • EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) and ideal for use in long term storage to provide and maintain an optimal charge
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power
  • SAFE AND SECURE: Our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power

User questions & answers

Question: will this work with the new lithium batteries
Answer: A model for lithium batteries is available.
Question: can I leave it on my unattended battery for months
Answer: where do you sit the charger after you hook it up to the battery, and plug it in an outlet outside? co you just sit it under the vehicle?
Question: I need to keep a Chevy S-10 truck battery from going dead. Truck is not driven much. Will this work
Answer: The factory Delco radio in my black 5spd 94 S10 kills my battery if I do not drive it at least once every 48 hours. Deltran chargers work great for all the equipment we use at work (24v of course) and Deltran works great to keep my Delco radio from killing my S10. A fellow employee of mine has a 2008 Silverado and has suffered from dead batteries for years if he did not drive in at least once every few days - seems that GM cannot produce a radio that does not kill a battery. He installed a Deltran charger last month and has not yet had a dead battery despite the radio sucking 950mah.
Question: is it easy to install or do i need mechanic? i am elderly
Answer: All you do is connect the end that has the clips for battery red positive black negative shows on top of battery as such. There is a plug coming from unit that will pug into those two items once all that is plugged in then plug unit into 110 wall socket and it will charge from there read instructions as to how to tell when batter is fully charged. This unit is not installed it is to be used when needed and can be left hooked to your battery when car is at home with out hurting battery. Once charged then un plug from battery and un plug from wall outlet till needed next time. Hope that helps some but be sure to read instructions as how to tell what the lights on unit is telling you.

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