Are you trying to find 3.7v batteries among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling 3.7v batteries on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 17 hours of research and did 43 3.7v batteries tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best 3.7v batteries you can buy today
- 【 High performance 】3.7v 3400mAh large capacity rechargeable battery, is the perfect replacement battery for high frequency use equipment
- 【Rechargeable Battery】Button top rechargeable battery with SIZE: 67mm*18mm(2.64inch*0.71inch)
- 【Universal Size】Button top 18mmX65mm Size Rechargeable Batteries for flashlight, fan, camera, flashlight headlamp, etc with charge
- ✅【BATTERY TYPE】Li-ion, Voltage: 3.7V, Capacity: 800mAh
- ✅【BATTERY SIZE】Button top battery,Size: 14.00 x 14.00 x 50.00mm, Weight: 48.0g,please confirm the battery size before purchase.
- ✅【HIGH PERFORMANCE】800mAh Long-lasting batteries provide reliable power support for your daily use and emergencies.
- ✅【APPLICATION】home automation sensors, door opening detector, temperature sensor, home alarm, bark collar, door sensor, remote control alarm, water meter, electricity meter, gas meter, medical equipment, backup power etc
- 【Durable rechargeable】3400mAh 18650 Rechargeable battery large capacity,Which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc.Recharge up to 1050 cycles - longer battery life than alkaline batteries, No need to buy batteries frequently.
- 【Battery Charger】The USB cable can be charged, can be connected to cell phone chargers, computers, rechargeable batteries, etc. for charging, simple and convenient. two-color LED indicator, red light is on when charging, green light is on when full, intelligent full self-stop.
- 【Product parameters】 Standard voltage: 3.7V, charging voltage: 3.7-4.2V, minimum discharge termination voltage: 2.75V, maximum charging termination voltage: 4.2V.
- 【What you get】 1 x Safe One-Bay Battery Charger, 4 x 18650 Rechargeable batteries (3400mAh), 1 x 2.1 USB charging cable, 2 x storage case and 1 x instruction sheet,All products will be checked one by one before being sent to Amazon warehouse, please rest assured to shop.
- 【After Sales Service】If there is any problem with the product please feel free to contact us, we will provide you with a solution within 24 hours.
- Batteries Size - 67*18*18mm/2.64*0.7*0.7inch; it's a rechargeable battery BUTTON TOP, please check carefully before purchasing !!!).
- Important NOTE - This is 18650 rechargeable battery lithium 3.7 volt. NOT AA Battery or AAA Battery. Please confirm whether the battery model required by your device is 18650.
- Versatile Battery - 3.7 volt rechargeable battery 18650 is versatile and can be used for a variety of electronic devices, including LED torches, portable devices, headlights, toys and other household appliances.
- Environmentally Friendly - 18650 rechargeable battery supports multiple charging and discharging cycles without memory effect, 1 pack rechargeable battery is equivalent to 1000 packs disposable batteries. Designed with multiple protection functions, such as over-charging, over-discharging and short-circuit protection, to ensure safe and reliable use.
- Warm After-sales Service: If you have any problems, please feel free to contact us. We will solve the problem for you ASAP.
- Replacement for H99W H31 H6C H98 TR-C385 TR-P51 TR-F22 drone.
- Package List: 5PCS 3.7V 400mAh Lithium Battery, 1pcs 5in1 Charger
- High capacity can make your drone show a variety of difficult movement
- Voltage: 3.7V, Capacity: 400mAh
- NOT AAA BATTERY - Button Top 10440 rechargeable battery size 10*44mm, not ordinary AAA batteries (it is shorter than AAA Battery), Please confirm whether it is the size you need before buying.
- COMMONLY HOUSEHOLD BATTERIES - Taken multi-functional 3.7 volt battery is suitable for flashlight, streamlight, Digital camera, toys, solar lights, emergency lights, power bank, torch, GPS etc.
- LONGER BATTERY LIFE - No memory effect, longer lasting than normal 10440 battery, can be recharged up to 2000 + times, more environmentally friendly than single-use battery and saving money.
- LONG SHELF LIFE - 10440 lithium ion batteries storage life of up to 10 years when stored at room temperature, refusal of leakage.
- PERFECT AFTER-SALE - We offer 30 days Refund and 18 months Warranty , 24/7 Email Support. feel free to contact us if you have any questions.
- 【Size Parameters】3.7V 3200mAh lithium batteries, size: 18mm(0.7 inch) diameter x 70mm(2.7 inch), (Note: they are longer than the flat-top batteries, please check the battery size before purchasing)
- 【Superior Performance】：Built-in USB-C port, support C-C output, you can charge your cell phone and other devices in case of emergency, easy to charge with the included 2-in-1 USB cable, no need for an additional battery charger (does not support PD fast charging)
- 【Widely Uses】：NERMK 3.7V rechargeable batteries are suitable for flashlights, headlamps, toys, remote controls, microphones, radios, bike lights, bluetooth speakers, and other household devices.
- 【Safe and Efficient】: NERMAK 3.7V battery has built-in safety protection against overcharging, over-discharging, over-current and short-circuit, with 1500+ charging cycles for longer service life, making it an ideal replacement battery for high-frequency equipment.
- 【Warm Note】: 4* 3.7 Volt Replacement lithium ion battery，12 months warranty, If you have any question for our product, Contact us: click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller"
- Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)
- BASIC INFO—Voltage: 3.7V; Typical capacity: 3700mAh, Min capacity: 3500mAh; Weight: approximate 74g; Size: 33.5 x 96 x 10.3mm/1.32"x3.78"x0.4" (WxLxH)
- RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection.
- CERTIFICATIONS—UN 38.3 compliant. More than 400 EEMB batteries are UL certified. Search "MH20555" on UL for all EEMB UL certification information.//MANUFACTURER DIRECT— Please contact us if you have any questions or concerns with the product via Amazon message. We will respond to you within 24 hours.
- STORAGE & APPLICATION—Keep the cells in 40%-60% charged state during long period storage. We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. Store battery in cool and dry place.//SUITABLE for Bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi smart home systems, PDA and digital cameras, GPS, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, IoT.
- 【WIDE COMPATIBILITY】 3500mAh rechargeable flat top battery, compatible with headlamps, doorbells, cameras, small fans and more. Help you wake up your devices quickly.
- 【USB UNIVERSAL CHARGER】This universal charger with full auto stop function is suitable for 26650, 18650, 18600, 14600, 14500 batteries and other types of rechargeable batteries.
- 【Anti-corrosion and Flame Retardant Case】It can effectively protect the battery and prolong the life of the battery. Prevent waste of non-rechargeable batteries. Rechargeable batteries are strictly tested to ensure normal use, reliable quality, durability, safety and reliability.
- 【Convenient and Simple】Low voltage charging. usb cable charging, low voltage, safe, can be connected to mobile phone charger, computer, rechargeable treasure, etc. for charging, simple and convenient. Dual-colour LED indicator, red light when charging, green light when full, intelligent full self-stop.
- 【High quality after-sales service 】If you have any problems, please tell us at the first time. We will provide professional service to help you solve the problem.
- Voltage: 3.7v
- Size: 18*18*65 mm, which is bigger than AA battery
- Widely used: 3.7v battery is suitable for Flashlights, headlamps, digital cameras, toys, remote controls etc. You can use it on many devices
- Intelligent efficiency: Improved low self-discharge feature maintains 70% capacity after 3 years of non-use
- Convenience: Battery is partially pre-charged and ready to use out of the box. It is recommended that the battery is fully charged before use
- Product Size: 65*18*18mm/2.56*0.71*0.71 inch; Please NOTE These are 3.7 volt rechargeable batteries please check carefully before purchasing !!!.Please confirm whether the battery model required by your device is 18650.
- Compatible with headlamp, toys, doorbells, cameras, small fans, RC car headlights, etc.
- Please Note: Flat Top Rechargeable Battery (Not button top). Please check whether it is the battery you need before purchasing.
- Multiple Protections: This 3.7v 18650 rechargeable battery has excellent performance and provides multiple protection, including short circuit, overcharge and overcurrent protection. Make the battery more stable and safer to protect your devices.
- Safety Certification: Our batteries are certified by CE, FCC, PSE, ROHS and UL standards, you can trust the quality and safety. Please buy with confidence that
- Product Size: 65*18*18mm/2.56*0.71*0.71 inch; Please NOTE These are 3.7 volt rechargeable batteries please check carefully before purchasing !!!.Please confirm whether the battery model required by your device is 18650.
- Compatible with headlamp, toys, doorbells, cameras, small fans, RC car headlights, etc.
- Please Note: Flat Top Rechargeable Battery (Not button top). Please check whether it is the battery you need before purchasing.
- Multiple Protections: This 3.7v 18650 rechargeable battery has excellent performance and provides multiple protection, including short circuit, overcharge and overcurrent protection. Make the battery more stable and safer to protect your devices.
- Safety Certification: Our batteries are certified by CE, FCC, PSE, ROHS and UL standards, you can trust the quality and safety. Please buy with confidence that
- Product Dimensions: 67*18*18mm/2.64*0.71*0.71inch. NOTE: These are BUTTON TOP 18650 batteries with metal tip on the positive end. Please confirm the battery size and battery type before purchase
- Wide Compatibility: Widely used for LED flashlights, solar lights, racing, game controller, emergency lights, portable devices, headlamps, toys, remote controls, doorbells and other electronic devices.
- Advanced Smart Cell Technology: The built-in intelligent battery cell ensures efficient power management and longer-lasting usage.
- Safety Certifications: Trust in the quality and safety of our battery, certified by CE, FCC, PSE, ROHS, and UL standards.
- Protective Mechanism: Built-in protection features safeguard your device from overcharging, overheating, and short circuits.
- Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)
- BASIC INFO—Voltage: 3.7V; Typical capacity: 2000mAh, Min capacity: 1900mAh; Weight: 40g; Battery size (WxLxH): 34.5 X 56 X 10.6 mm / 1.36 X 2.2 X 0.41 inch
- RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection.
- CERTIFICATIONS—UN 38.3 compliant. More than 400 EEMB batteries are UL certified. Search "MH20555" on UL for all EEMB UL certification information.//QUALITY SERVICE— Please contact us if you have any questions or concerns with the product via Amazon message. We will respond to you within 24 hours.
- STORAGE & APPLICATION—Keep the cells in 40%-60% charged state during long period storage. We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. Store battery in cool and dry place.//SUITABLE for Bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi smart home systems, PDA and digital cameras, GPS, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, IoT.
- 💡【High Performance】Long lasting 9900mAh battery is with large capacity which supports stable power for your devices and effectively prevent damage of the devices, such a perfect replacement battery for used devices with high frequency
- 💡【Multi-Protection】This battery is without any memory effect and provide multiple protections,including short circuit, overcharge, and overcurrent protection. Perfect for making the battery more stable and secure to protect your device
- 💡【Wide Application】Rechargeable battery compatible with headlamps,flashlights,digital cameras, small fans,etc.Helps you quickly wake up your devices at any time
- 💡【Warm Tips】Please charge completely before first use. As much as possible, please don‘t to let the battery power all depleted to protect the battery from being over discharged. Proper use can make the battery healthier and extend its life
- 💡【Customer Service】Reply email within 24-hours,If you have any question of these products, please do not hesitate to contact us, we will answer you as soon as possible
- UL Certified; Voltage: 3.7V; Capacity: 300mAh.
- Maximum Charge Voltage/Current: DC4.25V/150mA; Material: Lithium Polymer.
- Connector Type: 2P 2.0mm Pitch; Cable Length: 5cm / 2"
- Size: 30 x 20 x 6mm / 1.17" x 0.78" x 0.23" (L*W*H)
- Used for bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras, GPS, monitoring units, notebook computers, e-books, telematics, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors.
- Package includes 2pack 3.7V 2600mAh rechargeable battery
- Replace streamlight 22104 SL-B26 USB Battery for X Series Dual Fuel Flashlights
- Button top battery, size 18mm Diameter *70mm Length, build-in protection PCB
- Compatible with Stinger 2020, ProTac HL 5-X USB, PolyTac 90 X USB, Right Angle Light, PolyTac X USB, ProTac 90 X USB, ProTac HL USB, ProTac HL-X USB, ProTac HL USB Headlamp, Siege X USB, ProTac 2L-X USB, and Vantage 180 X USB
- Long battery life over 800 cycles of charge-discharge, quality safe battery with multi-examination
- ♻️Dimension: 67*18 mm. Not AA AAA🔋 This product can be used in a variety of scenarios, such as flashlights, headlights, cameras, remote controls, fans, children's toys, radios, surveillance equipment and other battery-powered electronic devices.
- 【YOU GET】 1 Bay USB Battery Charger, 2 storage cases. 4 Pack of Batteries (Size: 17.9mm *67mm) for Flashlight etc.
- 【USB Connection】Using a usb port to charge, You can charge the battery on the charging head, on the car charger, or on the power bank, Wide range of use, more convenient for daily use.
- 【Safety protection and environmental protection】The battery has a built-in safe circuit integrated system to prevent the battery from overcharging, overdischarging, short circuit, and overcurrent. Batteries can be reused and are a good helper for environmental protection.
- 【Warranty】 1 Year Free Replacement, Lifetime Maintenance. If you have any questions during use, please feel free to contact us. We will reply within 24 hours.
How to choose a good 3.7v batteries
Does the idea of finding a fantastic 3.7v batteries make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in 3.7v batteries. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top 3.7v batteries products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top 3.7v batteries on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top 3.7v batteries brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top 3.7v batteries based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the 3.7v batteries were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good 3.7v batteries, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your 3.7v batteries.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 3.7v batteries for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our 3.7v batteries. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what 3.7v batteries should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on 3.7v batteries.
