10 best 2025 battery for car key fob

The 2025 battery is a type of coin button cell battery commonly used in various electronic devices, including car key fobs. Here's what you need to know about the 2025 battery:

  1. Type: The 2025 battery is a lithium coin cell battery. It belongs to the CR (Coin, Round) series of batteries.

  2. Size: The "2025" designation indicates the size of the battery. Specifically, it is 20mm in diameter and 2.5mm in height.

  3. Voltage: The voltage of a 2025 battery is typically 3 volts.

  4. Common Applications: In addition to car key fobs, 2025 batteries are used in a variety of small electronic devices such as calculators, watches, remote controls, and other compact gadgets.

  5. Replacement: When replacing the battery in your car key fob or any other device, ensure that you use a battery with the correct voltage and size.In this case, a CR2025 battery would be the appropriate replacement.

Always refer to your car's manual or the device manufacturer's specifications to confirm the correct battery type and replacement procedure for your car key fob.

Below you can find our editor's choice of the best 2025 battery for car key fob on the market
  

Duracell - 2025 3V Lithium Coin Battery - with Bitter Coating - 2 Count

Duracell

Based on 10 reviews Check latest price

Product description

Reliable, long-lasting power for your medical, electronic and security devices: Duracell Lithium Coin batteries provide reliable, long-lasting power for your specialty devices, so you can be confident these lithium coin batteries will be ready when you need them. Duracell has a tradition of investing in extensive development in features that can help keep children safe, specifically for its lithium coin batteries. Its latest innovation is a bitter coating on the cell that is designed to help prevent accidental ingestions. Duracell also features child secure packaging which makes it nearly impossible to open with bare hands.

  • BITTER TASTE DISCOURAGES SWALLOWING: Non-toxic, bitter coating helps prevent accidental ingestion
  • CHILD SECURE PACKAGING: Nearly impossible to open without scissors
  • LONG-LASTING POWER: Reliable and efficient power for devices like key fobs, remote controls, thermometers, and many others
  • GUARANTEED 10 YEARS IN STORAGE
  • No.1 TRUSTED BATTERY BRAND

User questions & answers

Question: Will this fit 2009 Honda pilot
Answer: Have no Idea. You have to take your fob apart to see what battery you have..
Question: what can I use blood monitor that takes a 2020 battery
Answer: Its likely to thick. The numbers used in the name of this battery indicate their height and diameter- CR2025 has 20mm in diameter and is 2.5 mm in thickness. CR2020 has 20mm diameter and 2 mm thickness.
Question: Will it work in 2018 mazda cx
Answer: It does work in the key fob of a 2018 Mazda CX5--that's why I bought the battery. Works like a charm :-)
Question: will it fit 2017 mazda cx
Answer: Yes it will -

5-Year Warranty】 CELEWELL CR2025 CR 2025 Lithium Battery High Capacity 170mAh 3V 5 Pack

CELEWELL

Based on 2 reviews Check latest price
  • HIGH CAPACITY,MORE DURABLE - With best HIGH CAPACITY,MORE DURABLE - With best material, CELEWELL develops the highest real capacity 170mAh for CR2025 batteries, 12% more than ordinary 150-160mAh capacity.
  • PREMIUM PERFORMANCE, SAFER - With nickel plated shell, CELEWELL promises CR2025 batteries no leakage in 5 years, much better than those ordinary batteries with 0.5-1 year shelf life on the market by using metal or stainless steel shell.ISO9001,UL, CE,RoHS,UN38.3 safety certified.
  • BRAND WARRANTY - With a professional research and development team,CELEWELL is now famous for producing high quality batteries all over the world With strict quality control plus 5 years CELEWELL brand warranty, CELEWELL’s aim is to make you happy when you buy batteries.(MFG date and warranty date are marked on each battery)
  • MULTIPLE COMPATIBILITY -- Equivalent to other brand models, like 2025 CR2025 DL2025 DL2025B ECR2025 KCR2025 BR2025 BR2025-1W CR2025-1W L12 LM2025 SB-T14 LF12V 5003LC 208-205 and more 3V Lithium batteries (Because 2025 indicates battery dimensions diameter 20mm and height 2.5mm).
  • APPLICABLE DEVICES -- Ideal for LED tea lights, Mercedes car key fob remotes, polar watches, transmitters and so on

Product features

HIGH CAPACITY MORE DURABLE

With best material, CELEWELL develops the highest real capacity 170mAh for CR2025 batteries, 12% more than ordinary 150-160mAh capacity. Capacity clearly marked 170mAh on the card to let customers know.

SAFE AND TRUSTFUL

Up to 5 years shelf life with more safe and steady performance by using high density and expensive rare metal nickel plated shell. CELEWELL has passed all safety certifications, UL,CE,RoHS,UN38.3,ISO9001 all certified.

FRESH MANUFACTURE DATE

MFG date is marked on each battery card package to help you make sure you buy new batteries to avoid old stock low power batteries.

BRAND SUPPORT

With a professional research and development team,CELEWELL is now famous for producing high quality batteries all over the world and offer at least 5 years brand support for customers.

Comparision
CELEWELL BRAND STORY

CELEWELL, a professional battery manufacturer for 16 years, mainly produces high-end batteries for global market. All models of CELEWELL batteries perform much better than ordinary brands due to higher capacity and longer lifetime. CELEWELL concertrates on researching and developing of high quality batteries for customers!

BRAND STORY

CELEWELL, a professional battery manufacturer for 16 years, mainly produces high-end batteries for global market. 70% good quality batteries are from our factory. All models of CELEWELL batteries perform much better than ordinary brands due to higher capacity and longer lifetime. CELEWELL concertrates on researching and developing of high quality batteries for customers!

BRAND STORY

CELEWELL, a professional battery manufacturer for 16 years, mainly produces high-end batteries for global market. 70% good quality batteries are from our factory. All models of CELEWELL batteries perform much better than ordinary brands due to higher capacity and longer lifetime. CELEWELL concertrates on researching and developing of high quality batteries for customers!

BRAND STORY

CELEWELL, a professional battery manufacturer for 16 years, mainly produces high-end batteries for global market. 70% good quality batteries are from our factory. All models of CELEWELL batteries perform much better than ordinary brands due to higher capacity and longer lifetime. CELEWELL concertrates on researching and developing of high quality batteries for customers!

CR2025 Battery – Lithium Button Coin Cell Batteries - 3V 3 Volt - Remote Watch Jewelry Led Key Fob Replacement 2025 CR Pack Set Bulk (4 Pack)

GloFX

Based on 1 reviews Check latest price
  • GloFX CR2025 BATTERIES - Our batteries are guaranteed factory fresh, every time. Great for key fobs, watches, calculators, toys, cameras, thermometers, glucose meters, and more
  • GloFX QUALITY - Our CR2025 batteries feature 3v, 3 volt lithium technology, for a higher capacity and longer life span
  • BLISTER PACKAGED - To ensure proper storage and long shelf life
  • MANY USES - Ideal for: Thermometers, Glucose Meters, Flashlights, Car Key Fobs, Remote Controls, Games, Toys, Hearing Aids, Calculators, Bathroom Scales, Greeting Cards, Electronic Jewelry, Holiday Ornaments, Cameras, and Electronic Candles
  • COMPATIBLE WITH: BR2025, LM2025, 5003LC, DL2025, CR2025, KT-CR2025, L12, 208-205, SB-T14 - Diameter: 20mm Height: 2.5mm

User questions & answers

Question: what the expiration date
Answer: No expiration date. Came in a clear plastic bag.
Question: how do i order a cr2032 in diameter
Answer: Our CR2032 batteries will be .8 inches in diameter(or 20.32 mm)
Question: how many pieces in 2 packs
Answer: Hi There, Thanks for reaching out to us. I'm happy to be of assistance. This listing is for a 2-pack of CR2025 batteries. One 2-Pack will have 2 batteries in it, one 10-pack will have 10 batteries in it:) I see now that this wording could be a little confusing and apologize if it caused any confusion! Hope my answer has been helpful to you. Thanks again for choosing GloFX, please feel free to let me know if I can provide any further assistance. All the best, Collin GloFX Team
Question: What's the expiration date
Answer: These batteries will have the expiration date of 01-2024

Product features

High Quality and Always Long Lasting

GloFX CR2025 batteries always arrive factory fresh and are the best fit for your devices. You can rest assured that these are the highest quality batteries you can find, even doubling the voltage you get from Silver Oxide or Alkaline batteries!

Reliable for All Your Devices

These CR2025 are perfect for all your electronic devices! This includes thermometers, glucose meters, heart rate monitors, watches, calculators, cameras, car remote key fobs, children’s toys, and more. The possibilities are endless!

Always Arrives Fresh

GloFX battery packaging is designed with blister packs to ensure safety in transit. Never worry about batteries being crushed, dented, or drained because this seal ensures your batteries are fresh and ready to go!

GloFX Batteries

  • CR2025 Button Coin Cell Batteries with 3v Lithium Technology
  • Works perfectly for thermometers, glucose meters, heart rate monitors, watches, calculators, car remote key fobs.
  • Blister Packaged to Ensure Long Shelf Life as well as safety during delivery
  • Choose from a variety of bulk packaging options to give you the best value!
  • Compatible with any CR2025 battery-powered electronic device

Energizer 2025 Lithium Coin Cell Battery, 4 Count

Energizer

Based on 29 reviews Check latest price

Product description

Energizer Lithium Coin Cell 2025 4-Pack. Delivers long-lasting, dependable performance in specialty devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games

  • 4, Energizer 2025 Lithium Coin Batteries
  • Cell size: 2025; IEC: CR2025; Type: Lithium Coin; Volt: 3 Replacement for: L12, 208-205, DL2025, SB-T14, and 5003LC
  • Delivers long-lasting, dependable performance in specialty devices like heart rate monitors, remotes, keyless entry systems, glucose monitors, toys, and games
  • Holds power for up to 10 years in storage, ensuring you have Lithium Coin Batteries ready when you need them
  • Can operate within a wide temperature range, from -22º to 140º F

User questions & answers

Question: Will this battery fit a vicks thermometer? Thanks
Answer: Thank you for submitting your question. If the Vick's thermometer uses 2025 batteries, this CR2025 will fit. Energizer Consumer Care.
Question: Is this the same as cr
Answer: I recently bought a generic remote, as a spare for a BOSE 5 Sound Bar. The remote came with a 2025 battery that was dead on arrival. I replaced the 2025 with a 2032 and had no problems with the fit or remote function. The specs on both batteries show that the volts are identical. There should not be a problem, especially with a spring-type closure, as the thickness or battery diameter difference is barely noticeable.
Question: Is this bsttery the same as CR
Answer: The image in the product listing shows CR2025 on the battery.
Question: It's now June 2020, what are the current expiration dates on the batteries being shipped
Answer: Thank you for reaching out to Energizer. The batteries hold power for up to 10 years in storage and the expiration depends upon the date on which the product was manufactured instead of the shipping date of the product from the seller. For any further information you can reach out to us at [email protected] or can call us at 800-383-7323.

Product features

Energizer 2025 Lithium Coin Cell Battery

  • Reliable power for your heart-rate monitors, keyless entry, glucose monitors, toys & games
  • Holds power for 8 years in storage
  • Performs in extreme temperatures (-22 to 140 F)
  • Child Resistant Packaging
  • Cell size: 2025
  • IEC: CR2025
  • Type: Lithium Coin
  • Volt: 3

Panasonic CR2025 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 4 Pack

Panasonic

Based on 2 reviews Check latest price

Product description

Panasonic CR2025 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 4 Pack

  • Engineered to provide reliable long lasting power
  • Reliable even in a wide range of operating temperatures (-22°F to +140°F)
  • Batteries and packaging meet or exceed IEC 60086-4 2019 ANSI c18-3m part 2-2019 and UL 1642 compliance standards
  • Long shelf life of up to 8 years
  • 3 0 V nominal voltage
  • Proudly made by Panasonic in our Indonesia manufacturing facility

User questions & answers

Question: What is the expiration/best-used-by date as of
Answer: Mine were best before 6/2028
Question: Made in USA
Answer: It’s a Panasonic battery. It is a quality Japanese battery that is surely not made in the USA. Almost all batteries of this type are not.
Question: I ordered this product weeks ago. Curious why this hasn't it shipped yet. Has an anyone else had issues with this
Answer: No! I didn't.

Product features

Long Battery Life

Panasonic lithium coin cell batteries utilize proprietary materials and manufacturing technologies to maximize performance and deliver long battery life.

Advanced Sealing Technology

Our proprietary sealing technology ensures a secure, stable battery environment and reduces the chances of leakage.

Extended Shelf Life

The Panasonic lithium coin battery components, technology, and manufacturing expertise delivers long shelf life, up to 8 years.

High-Energy Density

Panasonic’s Lithium Coin batteries feature high-energy density, making them perfect for long lasting power in car key remotes and dozens of other device applications

Wide Temperature Range

Reliable performance in a wide range of operating temperatures (-22°F to +140°F.

Secure, Child Resistant Packaging

Our Panasonic lithium coin cell batteries and packaging (in the package shown above) meet or exceed the industry’s latest safety standards including IEC 60086-4:2019, ANSI C18-3M, Part 2-2019 and UL 1642.

Made in Panasonic’s Indonesian Factory

Proudly made in our state of the art, Panasonic Indonesia factory that has produced billions of lithium coin batteries.

Lithium Coin Battery Model Number

Lithium Coin model numbers are a combination of the diameter and height, measured in millimeters.

Amazon Basics 2 Pack CR2025 3 Volt Lithium Coin Cell Battery

Amazon Basics

Based on 4 reviews Check latest price

Product description

An Amazon Brand

  • One pack of CR2025 lithium coin cell batteries for small electronic devices
  • Powers devices such as watches, calculators, sporting goods, games, medical devices, and more
  • Long-lasting, reliable battery life; performs in extreme temperatures
  • Engraved with battery model for easy identification
  • Contains zero mercury
  • To learn more about recycling single-use batteries, simply copy/paste this link into your browser: call2recycle.org/what-can-i-recycle.
  • Packaging may vary

User questions & answers

Question: Can this be returned if the battery is unwrapped
Answer: No idea - you might check the sellers info
Question: Could you please tell me what the mah is on these
Answer: Does no one do any research? It is on the sellers item listed under mAh - 750
Question: How to dispose of these batteries? Can they be tossed together with regular garbage
Answer: Your neighborhood The Home Depot Store has partnered with Call2Recycle, a non-profit battery recycling program. You can recycle rechargeable batteries free by placing them in Call2Recycle bins at the store. Any rechargeable battery, including lithium batteries, or cellphone that weighs up to 11 pounds is accepted.
Question: Do these last very long
Answer: So far, so good.

Product features

For Small Electronics

Ideal for small devices like watches, calculators, medical devices, key fobs, and more, coin cell batteries offer high performance in a small package.

Reliable Performance

The zero-mercury lithium button batteries are designed to perform in extreme temperatures, making them reliable for outdoor use or recreation.

Easy Replacement

Amazon Basics lithium coin cell batteries are simple to replace and includes engraved identification so you can easily recognize the battery model.

Protective Package

Housed in protective packaging, each battery can be individually removed without worry of losing the others.

5-Year Warranty】 SURPOWER CR2025 3V Lithium Battery for Key Fob Remote,Night Light,Fitbit Zip,Fossil Watch,Scale 2025-10 Pack

SURPOWER

Based on 1 reviews Check latest price

Product description

5-Year Warranty:please feel free to contact us if you have any problem with the battery after purchase. Applicable limitations:even if problem with the battery is caused by non-human factors such as weather and transportation. We will unconditionally provide you with a refund or replacement.

  • Better quality: SURPOWER is a professional battery manufacturing factory, providing a large number of high-quality batteries for many companies around the world for many years. Our every button battery has strict standard quality inspection, high capacity and high voltage make the battery more stable and durable.
  • Safety certification: Using high quality core raw materials and precision manufacturing process make SURPOWER button battery no leakage and safer. With CE.ROHS.UN38.3 safety certification.
  • Better price: SURPOWER brand is factory direct sale, was invited to Amazon.Through retail packaging, wholesale prices, let you have a better shopping experience.
  • Better after-sales service: The date of production, shelf life and capacity of the battery are clearly marked on the cardboard, please rest assured that the purchase . Please feel free to contact us if you have any problem with the battery after purchase, even if it is caused by non-human factors such as weather and transportation. We will unconditionally provide you with a refund or replacement.
  • Applicable to the following models:2025,CR2025,DL2025,DL2025B,ECR2025,KCR2025,BR2025,BR2025-1W,CR2025-1W,L12 ,LM2025 ,SB-T14, LF12V ,LF1,5003LC ,208-205

User questions & answers

Question: Can i use cr2025 battery for my ford f-150 ltd key fob
Answer: You can open the key fob to find the battery type, if the number is same, you can use it.
Question: Are the cr2025 batteries rechargeable
Answer: Hello, cr2025 batteries are non-rechargeable and disposable battery, If you need any further help,pls freely ask questions or contact seller's after-sale service, Have a nice day!
Question: Does this battery work for fobs for HOnda Civic
Answer: I don’t know. You could look it up in the owners manual, or just open your key fob and note the numbers on the battery. It IS a pretty popular battery.
Question: Could someone provide us the printed warranty from the maufacturer stating applicability to storage and use lifetimes
Answer: Dont place near hot surfaces or anywhere near fire. Store in room temperature areas Good luck👍🏾

Duracell - 21/23 12V Specialty Alkaline Battery - long lasting battery - 4 count

Duracell

Based on 5 reviews Check latest price

Product description

Duracell Specialty Alkaline batteries offer reliable, long lasting power, so you can be confident these batteries will be ready when you need them. They’re designed for use in remote controls, car alarms, key fobs, and security systems.

  • Duracell 21 Batteries: The 12V alkaline battery is designed for use in your specialty devices, including remote controls, car alarms, key fobs, and security systems.
  • Long Lasting Power: Duracell specialty alkaline batteries are engineered for long lasting performance.
  • #1 Trusted Battery Brand: This Duracell 21 12V Specialty Alkaline Battery is equivalent to 8LR50, A23, and MN21.
  • Guaranteed for 5 years in Storage: Duracell 21 12V Specialty Alkaline batteries are guaranteed for 5 years in storage.

User questions & answers

Question: What was your • 'best before date' and • 'multimeter tested voltage' on the duracell a23's you received
Answer: The best before date was March 2025. I have not opened the package so have not tested the voltage.
Question: Are these 23ae batteries? Needed for Minke ceiling fan remote
Answer: A23 battery is also known as 23A, 23AE, GP23A, V23GA, LRV08, 8LR932, 8LR23, MN21, L1028 or ANSI-1181A
Question: Can i use this to start my truck
Answer: I don't see why not. You may want to buy a few and wire them in parallel though. A single battery may be a little low on the cranking amps, but you never know.
Question: looking for battery dated at least 2022 . What is the expiration date on these batteries
Answer: I just received my Duracell 4 pack. They do not list and expiration date. They list a "Best Before" date. My 4 pack was dated March 2025. Voltage each of the individual batteries as measured w/ volt meter: 12.76; 12.78; 12.79; 12.80. That is good voltage.

Product features

Duracell 21 12 Volt Specialty Alkaline Battery

Duracell Specialty Alkaline batteries offer reliable, long-lasting power for your specialty devices such as digital cameras. They’ll preserve power up to 5 years in storage, so you can be confident these batteries will be ready when you need them.

This Duracell 21 12 Volt Specialty Alkaline Battery is equivalent to:

Long-Lasting Power

Did you know that most batteries lose power over time, even when not in use? Duracell’s technology preserves batteries’ power in storage before being used.

Protect Your Device

Duracell batteries are to protect your device from damaging leaks.** Try Duracell CopperTop, Quantum, Rechargeable, Chargers, Hearing Aid and Coin Button batteries.

**Should your device be damaged due to a battery defect, when used as directed. See our website for details.

A Trusted Brand You Can Count On

From storm season to medical needs to the holidays, Duracell is a battery you can trust.

Energizer CR2025 3V Lithium Coin Battery 10 Pack (2 Packs of 5)

Energizer

Based on 8 reviews Check latest price

Product description

5 New Type CR2025 Energizer Batteries This is a new set of 5 type CR2025 Energizer batteries Brand New & Guaranteed Factory Fresh. The shelf life on Energizer batteries is 5 to 10 years These batteries are commonly required for Swatch, Fossil, Timex and Casio popular brands Energizer's reported failure rate is far less than 1/1000 of 1% This devotion to consistent quality has led it to control over 70% of market share in Switzerland, one of the world's leading watch producing countries Energizer is respected world wide for its uncompromising quality and consistent performance Energizer's technological leadership produces a variety of miniature batteries which are trusted for use by the best names in watch, computer, keyless entry, consumer electronics and hearing aid industries

  • This is a new set of 5 type CR2025 Energizer batteries
  • Brand New & Guaranteed Factory Fresh. The shelf life on Energizer batteries is 5 to 10 years
  • These batteries are commonly required for Swatch, Fossil, Timex and Casio popular brands

User questions & answers

Question: Are these the same as the ones in the blue packaging
Answer: I bought mine several months ago and they're dated March, 2025.
Question: Is this a replacement for a CR
Answer: No, mine were branded Energizer but packed individually. Silver and blue labeling.
Question: What's expiration date? Lithium batteries have a long shelf life. Are these cheap because they are stale
Answer: They are compatible with each other but the cr2032h has a slightly higher capacity.
Question: is dl2025 the same battery as cr
Answer: It doesn't have an experation date posted on the package.

SKOANBE 5Packs CR2025 3V Lithium Button Coin Cell 2025 Battery

SKOANBE

Based on 2 reviews Check latest price

Product description



1. New brand by SKOANBE,Battery size: 20*25mm, New high quality generic in retail packing.



2.Long-lasting power, high sealing&energy density .safe and leak-proof, safe and durable, ensures longer battery life and long lasting power.three years of quality, ,use more assured



3.Can be used for electric toy, calculator,watch, electronic scale,clock, watch, game.MP3 player, LED light and Hundreds of other electronic products.



4.Brand compatible battery to 2025, ECR2025, BR2025, DL2025, KCR2025, L12, NA, 208-205, BR2025-1W, CR2025-1W, LM2025, 5003LC, ST-T14, LF1/2V.



Attention



1. Insert the battery in the right direction and avoid short-circuit !



2. Please keep batteries in dry and cool place.



3. Do not recharge or dispose off in fire.



4. Please keep battery out of reach of your children in case they swallow.

  • SKOANBE Provide Freshness 3V Lithium coin cell batteries are single use batteries.
  • 5PCS A LOT --2025 coin cell batteries.CR2025 Battery provides an excellent combination of high energy and continuous voltage supply.
  • Different stability and technology.Safe and stable performance.Provide long shelf life for back up energy purposes together with ideal temperature resistance
  • Ideal for Watchs ,LED tea lights, Mercedes car key fob remotes, polar watches, transmitters and Hundreds of other electronic products
  • Keep Away From Small Children,Do not put fingers on flat ends.

User questions & answers

Question: I have an anne klein watch that lists the battery as y121e. how do i know if it is cr2025 or a different one
Answer: hello ,friend y121e is not battery type,mabay you can provide the picture about the watch battery.the watch always use sr626sw watch battey,you can find it in the SKOANBE shop
Question: where made
Answer: China
Question: Will this work for Nissan Leaf car battery Fob
Answer: These were the worst batteries I ever purchased for my car remote. Prior batteries in a car remote last well over one year, sometimes two or three years. These batteries last about one month with limited use. They are horrible, I would not buy them. By Panasonic or other Brand name it’s only a few dollar difference and last a lot longer

Product features

CR2025 Batteries

SKOANBE provides fresh CR2025 battery, size: 20 * 2.5mm, small battery, stable and reliable performance.

Lasting power

High-quality lithium battery, high energy density, long-lasting power, discharge balance, stable 3V voltage, does not hurt electrical appliances, safe and durable.

Long shelf life

3 Years Shelf life, high strength compression, good sealing performance, effectively preventing battery leakage and short circuit, long service life.

Applications

The battery is small but versatile, and can be used in watches, clocks, games, remote controls, car smart keys, electric toys, calculators, electronic scale LED lights and hundreds of other electronic products.

Mercury-free,Green and Safe

No added mercury and other pollutants, green and safe.

Choking hazard

Please keep the battery out of the reach of children to prevent them from swallowing it by mistake.

Keep distance

Do not stack button batteries for a long time to avoid short circuit caused by indirect contact between the positive and negative terminals of the battery.

Keep away from fire

Do not throw the battery into fire or heat the battery. Do not leave the battery in a humid environment.

Use details

When installing the battery, please avoid touching the positive and negative electrodes with your fingers at the same time, it will easily cause power loss and affect the service life.

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