10 best 18650 battery button tops

18650 battery button tops refer to a specific type of rechargeable lithium-ion battery commonly used in various electronic devices, including handheld flashlights. Here's some information about 18650 battery button tops:

  1. Battery Type: The term "18650" refers to the standardized size of the battery. It is 18 millimeters in diameter and 65 millimeters in length. These batteries are cylindrical in shape and are commonly used in many portable electronic devices due to their relatively high energy density.

  2. Button Top: The "button top" designation refers to the positive terminal of the battery, which has a protruding button-like shape. This button top is essential for proper contact and compatibility with devices that require this specific battery type.

  3. Voltage: 18650 batteries typically have a nominal voltage of 3.6 to 3.7 volts. This voltage is suitable for powering a wide range of devices, including flashlights, vaporizers, and various DIY projects.

  4. Capacity: 18650 batteries come in various capacities, often measured in milliampere-hours (mAh). Common capacities range from around 2000mAh to 3500mAh or higher. Higher capacity batteries generally provide longer runtimes but may be larger in physical size.

  5. Rechargeable: 18650 batteries are rechargeable, which makes them a cost-effective and eco-friendly choice compared to single-use disposable batteries. They can be recharged and used repeatedly.

  6. Charging: It's important to use a compatible charger designed for 18650 batteries to recharge them safely. Overcharging or improper charging can be hazardous and reduce the battery's lifespan.

  7. Protection Circuits: Some 18650 batteries come with built-in protection circuits to prevent overcharging, over-discharging, and short-circuiting. These protected batteries are a safer choice, especially for devices without built-in battery management systems.

  8. Applications: Button top 18650 batteries are commonly used in handheld flashlights, as well as in other devices such as electronic cigarettes (vapes), laptop batteries, power banks, and cordless power tools.

  9. Compatibility: When replacing or purchasing 18650 batteries for a specific device like a handheld flashlight, it's essential to ensure that they are compatible with the device's voltage and physical size. Using the wrong type of battery can damage the device or even pose safety risks.

  10. Storage: When not in use, 18650 batteries should be stored in a cool, dry place and kept away from extreme temperatures.Storing them in a plastic battery case can help prevent accidental short circuits.

Remember that working with rechargeable lithium-ion batteries requires caution, and it's essential to follow manufacturer recommendations and safety guidelines to ensure safe usage and prevent accidents like overheating or leaking.

Below you can find our editor's choice of the best 18650 battery button tops on the market
  

LED Flashlight Not Included) Set With 4x 18650 NCR18650B Button top Rechargeable Battery, 3400mAh Made in Japan for Emergency Flashlights,Video Doorbell, USB Fan, Power bank

Product description

MK

  • Note: LED flashlight is not included; only 4 batteries are included

Product features

HEY FRIEND, I WROTE A BOOK ABOUT YOU

Inspired by our best-selling I Wrote a Book About You, this lively gift book will put a smile on a friend's face. Complete the simple, playful prompts to create a keepsake that captures all the things that make your friendship one of a kind.

LED Flashlight Not Included) With 8Pcs 18650 Button top Rechargeable Battery for Emergency Flashlights

  • Note: LED flashlight is not included; only 8 batteries are included

User questions & answers

Question: What is the power rating
Answer: I read they have a 'smart's circuitry that helps over-charge protection,over-voltage protection, over-current protection, over-heated protection. I put a 1 ohm load on one battery (almost a short circuit) and it never got hot (warm maybe) or seemed like it was going to burn up. Just my observation.

18650 Flashlight with 4x Button Top 3.7v 3000mAh 18650 Rechargeable Battery & Bicycle Clip, 5 Mode Zoomable Waterproof Mini Flashlights 1200 Lumens for Camping Emergency Everyday Portable Flashlight

Based on 1 reviews Check latest price

Product description

Specifications:

- LED Type: XM-L

- Light Color: White

- Casing Color: Black

- Material: Aluminum Alloy

- Lumen: 1200 Lumens

- Power Supply: 1 x 18650 Battery/3 x AAA Battery

- Mode Arrangement: high / middle / low / strobe / SOS

- Lifespan: 100000 Hours

- Switch Type: Press

- Switch Location: Tail

- Strap/Clip: Strap Included

- Zoomable: Yes



  • ➤ WHAT YOU GET: 1PCS LED Flashlight, 4PCS Button Top Real 3000mAh 3.7v 18650 Rechargeable Battery, 1PCS Bicycle Clip. (Please note: remove the clear plastic film wrapped on the battery surface before using or charging, otherwise the battery or the flashlight will not work)
  • ➤ LONG-LASTING & WATERPROOF : The small flashlights max 1200 Lumens flashlight, XML-T6 LED bulb, 100,000 hours lifetime. Built for rough handling, this flashlight can freeze it or run it over with a truck, and it will still work! Suitable for use in rain, snow, or emergency situations.
  • ➤ 5 MODE & ADJUSTABLE FOCUS: 5 Useful Setting and wide-to-narrow beam zoom makes it ideal for use around the house, dog walking, or camping. It is compact enough to fit in your pocket, backpack, or purse allowing for easy storage and quick access.
  • ➤ POWERE SOURCE: 4 PCS 18650 Button Top 3.7V 3000mAh Li-on Rechargeable Battery and 1PCS Bicycle Clip (Please remove the clear plastic film wrapped on the battery surface before using or charging,otherwise the battery will not work).
  • ➤ High-Performance Battery: Long-lasting 6-8 hours, Real 3000mAh, 44 grams. | Low discharge rate | Button Top | no memory effect | High energy density & Pollution-free

4Pcs 18650 Rechargeable Battery Lithium 3.7V 4000Mah Li-ion Rechargeable Battery Large Capacity 18650 Rechargeable Batteries Button Top Battery for LED Flashlight Torch - not Flat Top

Product description

Descriptions:

High energy density, and have an extra long life for all your battery powered devices, it can provides excellent continuous power source solutions to your devices.

Specifications:

Rechargeable Times: Up to 500 times

Size: 66mm x 18mm (Diameter)

Model: 18650

Capacity: 4000mAh

Voltage: 3.7V

Packet content:

4 x 18650 4000mAh Rechargeable Li-ion Battery

  • 🔋🔋[ MATERIAL ] Rechargeable Li-ion Batteries are mercury cadmium and lead free, The positive terminal is made of plated manganese steel with minimal resistance and high conduction for fast heat dissipation, the negative terminal is reinforced with more protection, safe for home and better for environment.
  • 🔋🔋[ RECHARGEBLE ] These Rechargeable batteries come without the typical Lead Acid memory effects. Constantly charge and discharge these batteries without noticeable reduction of battery life. Ultra-low self-discharge, durable in use and storage.
  • 🔋🔋[ WIDE APPLICATION ] Ideal for flashlight, headlamp, fan, digital camera, kids toys, radio, loudspeaker, Monitoring equipment, Mobile DVD and other 3.7V battery powered portable devicesr
  • 🔋🔋[ PROTECTION ] Built-in Integrated safety circuit protects Battery from over discharge/overcharge,Short-circuit and over-current protection. Low self-discharge,voltage stability, Fast charging, Low-energy placement, Long battery life. The Lithium cell is UL listed, the Batteries are RoHS, FCC, and CE listed.
  • 🔋🔋[ LONGER LIFE ] 100% Genuine LGMJ1 Core inside, can last longer after each full charge, cycle life can reach more than 1000 times in normal use, which has a longer life than normal batterie

Skywolfeye 8 Pack 3.7v 5000mAh Rechargeable Battery Li-ion Button Top Battery and 4 Slot Battery Charger with 1Pcs 4000 Lumen 18650 Flashlight Zoomable, 5 Light Modes Waterproof for Camping Hiking

Skywolfeye

Based on 136 reviews Check latest price

Product description



Charger Features:

- Capable of charging 4pcs 3.7V battery simultaneously

- Automatically detects battery status and selects the appropriate voltage and charge mode.

- Automatically stops charging when complete.

- Excellent features of heat dispersion and reverse polarity protection. Protect opposite connection and short circuit.

- Designed for optimal heat dissipation



Battery Specifications:

Battery Type: Li-ion

Voltage: 3.7V

Capacity: 5000mAh

Button top style

Dimension: Diameter: 18mm; Height: 65mm(18650)



Flashlight Specifications:

1. Zoomable: Yes

2. Led Type:Cree led

3. Light Color: White

4. Material: Aircraft aluminum

5. Switch Type: Clicky

6. Switch Location: Tail

7. Lighting Distance: About 300m

8. Led Lifespan: 100,000 hours

9. Mode Arrangement: Hi > Mid >Lo > Strobe >SOS(With a slight press of the power button changes the operating mode.)

10. Power Supply: 2 x Rechargeable Battery (Including)

11. Size:7.6inchx1.37inch, it is 8.46inch extend the head.



Zoomable Flashlight:

Zoom in the flashlight will get the wide beam and bright more area;

Zoom out the flashlight will get the narrow beam and light further.



Package includes:

1 x SkywolfeyeTactical Flashlight

1 x 4 Bays Charger

8 x 3.7V High Capacity Rechargeable Battery

  • Package Included: 1 x 4 Bay Universal Battery Charger, 8 x 3.7V Rechargeable Batteries, 1x Flashlight
  • Battery charger with red/green led light display, safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance.
  • Flashlight Power Supply: 2 x 18650 rechargeable battery at a time(Included), Led lifespan: 100,000 hours, Size:7.6inchx1.37inch, it is 8.46inch extend the head. Skid-proof design & waterproof design led bulbs(Not for Diving), producing super bright light Perfect for cycling, climbing, camping and outdoor activity etc
  • Battery Specifications: 3.7V, 5000mAh, button top Type( with tips), Diameter:18mm, Height:65mm.(Not flat top, aaa or aa batteries.)
  • 18650 lithium 3.7v rechargeable batteries can be used to power everyday appliances with the capacity 3.7V. Pair it up with your flashlight, headlamp, controller, electronic toy, home security devices, and other household appliances.

User questions & answers

Question: Will the charger charge different Battery sizes
Answer: I have an old EBL charger and a newer one. I like the older better. If batteries are 95% dead, yes mine will take 8 hrs to charge. I have has a couple batts go 100% dead and it took 8 hrs and a 24 hr rest and another 2/3 hours on my older charger to get them to 100%. My older EBL charger is slower and that is so much better for the battery than fast charging in my experience. Also, not every rechargeable battery is exactly the same IMO. Good Luck
Question: Since these batteries wont fit my 4 sevens flashlights how do I know what flashlight to buy? will they only work in Skywolfeye flashlight
Answer: The label on the battery says China.
Question: Can these be used in a device using a lower numbered 4000mah 18650 lithium 3.7v rechargeable batteries
Answer: 5V
Question: Does the flashlight use 1 or 2 batteries
Answer: I don't. The remote is usually dead, so AAA&AAs are discharged. D size I use in my old school radio, they start to lose power and I go ahead charge them. No problems in a bunch of charges. Also use Ds in a fan for camping. I think these batteries are a good buy.

2000 Lumen 18650 Flashlight Zoomable, 5 Light Modes Waterproof with 10 Pack 3.7V 18650 Rechargeable Battery Li-ion Button Top Battery and 4 Slot USB Battery Charger for Camping Hiking

Based on 16 reviews Check latest price

Product description

Features:

100% Brand new!!! tactical led flashlight

Portable, easy to carry and store

With Tail-cap ON/OFF button, simple to use

Suitable for camping, travel and other outdoor activities

With strap on the tail cap, can be put in your pocket or hung on your bag

Wide beam, great for lighting the path, intense spot penetrates deep into the darkness

Type of LED: LED

Adjustable Focus: Can Zoomable

Waterproofing design (Not for Diving)

Power by: 2x 18650 Battery(include)

Max Output brightness : 2000 lumens

5-mode adjustable Brightness,High/Middle/Low/Strobe/SOS



4 Slots Universal USB Battery Charger Smart Charging For 18650 Rechargeable Li-Ion Battery

100% Brand New And High Quality.

Input voltage: DC 5V 1-3A

Output voltage: DC 4.2V 1000mAh

Compatible battery model:

10440/14500/16340/16650/14650/18350/18500/26650

Charging status indicator:

Red light: charging.

Green light: Charging completed.

Size: 90*30*116mm

CAUTION: This unit is suitable for Li-ion Battery Only.



18650 3.7v Rechargeable Battery:

1. Voltage: 3.7V



Package Contents:

1* Flashlight

10*18650 Rechargeable Batteries

1* 4-Slot USB Battery Charger

  • Brightness & Durability: High Powered, High Lumen LED chip delivers so much light for all purposes - both indoor and outdoor. Flashlight body made of aluminium alloy for durability and robustness
  • Mode Arrangement: Hi > Mid >Lo > Strobe >SOS(With a slight press of the power button changes the operating mode
  • Power Supply: 2 x 18650 Rechargeable Battery (Including), Led Lifespan: 100,000 hours, Size:7.6inchx1.37inch, it is 8.46inch when put out the head
  • Skid-proof design & waterproof design LED bulbs, producing super bright light Perfect for cycling, climbing, camping and outdoor activity etc
  • Range: sweeps bright light over the length of about two football fields ( 300 m) and reaches nearly 1000 ft. Fully zoomable from wide to narrow beam

18650 flashlight 5 modes with one pack two-Slot charger and 8 pcs 18650 rechargeable battery 5000mAh button top battery for general purpose

Based on 171 reviews Check latest price

Product description

product description



NOTE



button Top Rechargeable Battery(NOT FLAT TOP, NOT AA or AAA Battery, Not Fit Mod/E-CI)



Safe Feature

Our 18650 Lithium 3.7V Rechargeable Batteries are CE and RoHS certified with Short Circuit, Over Current and Voltage Surge Protections



Battery Specifications:

Voltage: 3.7V

Capacity:5000mAh

Weight: 34g per battery

Flashlight Specifications:

Weight:94g

Modes: Five

Material: Aluminum

Color: Tactical Black

Power Source: Battery-powered

Charger Specifications:

Plug Type: US

Type: Two-Slot Charger



Package includes:



1 x Pack 18650 Flashlight with 1 x pack Two-Slot Charger and 8 x pack 18650 5000mAh button Top Rechargeable battery.



Attention Please:



Do not dispose in fire or heat

Do not puncture, damage and disassemble

Never point the flashlight in anyone's eyes.

When using for the first time, remove the insulation film from the battery surface.

CUSTOMER SERVICE



Please feel free to contact us if you have any problems or questions. We will reply you within 24 hours.

  • What you get :1 pack 18650 flashlight with 8 PCS 18650 battery and 1 pack Two Slot Charger
  • Safe feature: Our 18650 Lithium 3.7V Rechargeable Batteries are CE and RoHS certified with Short Circuit, Over Current and Voltage Surge Protections.
  • Superior performance: beats any weather never encounter a dead battery even during extreme weathers ranging from -40 °C to 85 °C/ -49 °F to 185 °F
  • Note: button top rechargeable battery(not flat top, not AA or AAA battery, not Fit Mod/E-CI)
  • 5000mAh high capacity: Each 18650 lithium battery 3.7v rechargeable battery has a high capacity of 5000mAh, can power up your devices for long time

User questions & answers

Question: Is a battery sleeve included
Answer: Hi works fine with my M5 Batterys.
Question: How many lumens
Answer: My experience with these is that they drop voltage at the end of their cycle with no warning. One moment the remote works, next moment it does not. I always keep a spare set (fully charged) handy to swap. Other than that, great batteries. Far more useful (and a charge lasts much longer) than the 1.2 V rechargeables.
Question: Can these batteries work on a streamlight protac hl 5-x
Answer: They’re pretty good decent battery I think they last I don’t remember but it’s worth to get it & does safe you money don’t need to keep buying lots of battery.
Question: What it's the battery length
Answer: i bought these batteries an believe me it was total waste of my money.....you have to recharge them every 2 days...guess where they are 'THE TRASH'

LED Torch 18650 Flashlight Set Included Four Rechargeable Battery, 2-Slot Battery Charger, Pocket-Sized Torch, 5 Light Modes for Camping,Cycling,Walking,Indoor and Outdoor

Based on 20 reviews Check latest price

Product description

★Item Specificactions★

-Product Material: Aluminum Alloy

-Lens Material: Optical Convex Lenses

-Item Color: Black

-Switch Type: Tail Cap

-LED Lifespan: About 10,000 hours

-Waterproof Grade: IPX4

-Zoomable: Yes

-Mode arrangement: High>Mid>Low>Fast Strobe>SOS.



★Package Included★

1* Flashlight

1* 2-Slot Battery charger

4*Button Top Rechargeable Batteries





1.When putting in the battery, be careful not to mistake the polarity "+" and "—"

2. Please don't  look directly with the eyes. The ultra-high brightness will hurt the eyes.

3. Please don't  recharge after running out of electricity for a longer using.

4. Take the battery out if you don't use for a long time.

5. Please don't mix different model batteries.

6. Keep the inner clean. Do not wipe with your hands or hard objects. Wipe the fingerprints off the lens with cotton sticks and soft tools.



  • ★SUPER DURABLE★ The body of this flashlight is built of high-quality aluminum alloy. Sturdy and durable enough for long time daily using.
  • ★5 WORKING Mode & ZOOMABLE★ The flashlight has 5 modes, High>Mid>Low>Fast Strobe>SOS; Zoom in/out: telescopic focus.
  • ★IPX4 WATER RESISTANT★It protects against splashing water from anywhere, no need to worry about rains, snow; Perfect for repairing, walking, reading
  • ★UNIVERSAL CHARGER★ The 2 slots Battery Charger can be adjustable for different battery length;the battery will not be over-charged and over heat.
  • ★ WHAT WE PROVIDE★ Package include:1xFlashlight+1xBattery Charger+4x18650 Rechargeable Batteries; Premium service: If you have any questions, please tell us at first time. We will provide professional service to solve your problems. There is a totally risk-free purchase.

User questions & answers

Question: Does this really come with 9900 mah batteries or does it come with something different
Answer: Yes it comes with 2 batteries, works very well i must say. Great deal

4Pcs 18650 Battery Li-ion Rechargeable Battery 9900Mah 3.7V Li-ion Battery 18650 Rechargeable Battery Polymer Battery Button Top Battery for LED Flashlight Torch Fan-not Flat Top

Product description

Description:

This battery is made of durable material and has a large capacity. It can be recharged and used many times and is very practical.

Specifications:

Capacity: 9900mAh

Voltage: 3.7V

Chemistry: Li-ion

Recharge: up to 1000 cycles

Color: Red

Size: 65*17mm

Weight: 35g

Package included :

4 x 18650 Rechargeable Battery

  • 🔋[ MATERIAL ] Rechargeable Li-ion Batteries are mercury cadmium and lead free, The positive terminal is made of plated manganese steel with minimal resistance and high conduction for fast heat dissipation, the negative terminal is reinforced with more protection, safe for home and better for environment.
  • 🔋[ RECHARGEBLE ] These Rechargeable batteries come without the typical Lead Acid memory effects. Constantly charge and discharge these batteries without noticeable reduction of battery life. Ultra-low self-discharge, durable in use and storage.
  • 🔋[ PROTECTION ] Built-in Integrated safety circuit protects Battery from over discharge/overcharge,Short-circuit and over-current protection. Low self-discharge,voltage stability, Fast charging, Low-energy placement, Long battery life. The Lithium cell is UL listed, the Batteries are RoHS, FCC, and CE listed.
  • 🔋[ WIDE APPLICATION ] Ideal for flashlight, headlamp, fan, digital camera, kids toys, radio, loudspeaker, Monitoring equipment, Mobile DVD and other 3.7V battery powered portable devicesr
  • 🔋[ LONGER LIFE ] 100% Genuine LGMJ1 Core inside, can last longer after each full charge, cycle life can reach more than 1000 times in normal use, which has a longer life than normal batterie

Tactical 5 modes 18650 flashlight with two-slot charger and 6 -pack 18650 4000mAh button Top Rechargeable battery.

Based on 65 reviews Check latest price
  • What you get: 1 x pack 18650 S30 flashlight with 1 x pack two-slot charger and 6 x pack 18650 4000mAh button top rechargeable battery.
  • Safe feature: Our 18650 lithium 3.7v rechargeable batteries are CE and RoHS certified with short circuit, over current and voltage surge protections.
  • Superior performance: Beats any weather never encounter a dead battery even during extreme weathers ranging from -40 °C to 85 °C/ -49 °F to 185 °F
  • Note: Button top rechargeable battery(not flat top, not AA or AAA battery, not fit mod/E-CI)
  • 4000mAh high capacity: Each 18650 lithium battery 3.7v rechargeable battery has a high capacity of 4000mAh, can power up your devices for long time

User questions & answers

Question: How bright is light? How many lumens
Answer: A charging plug comes with the headlamp. It charges two batteries at a time.
Question: Will these batteries work with a night vision 4.3" display and ir scope attachment
Answer: 1200mAh.
Question: How do you know when the batteries are charged
Answer: It doesn’t say. Probably because it had 4 modes. Center light or two side light or all 3 together then all 3 flash. It is very bright

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