We’ve spent hundreds of hours researching and comparing 3.7V Rechargeable Battery of all specifications to find the best one for any need (or budget). Here are the results.

The Best 3.7V Rechargeable Battery of 2020 – Top Rated & Reviewed

2,725 Reviews Scanned

Rank No. #1
liogea Protected 3.7V LG3400G 3400mAh 10A Rechargeable Button Top Batteries for Fan Spotlight Flashlight - 2 Pack
  • 【NOTE】 liogea 3.7V button top rechargeable batteries have the capacity of 3400mAh(±3%). Any claim of such battery capacity more than 3500mAh can be considered false advertising. Please contact us if your battery capacity is smaller than 3250mAh.
  • 【All-purpose Batteries】 Batteries can be directly used for some flashlights, toys, doorbells and headlamps.
  • 【Long Lifespan】 Core part is made in Japan. liogea batteries can be recharged for more than 2000 times.
  • 【Package Content】 2 batteries in a solid battery case. Advertised battery capacity is guaranteed.
  • 【Suggestions】 We recommend every customer to test battery capacity and other important specifications to make sure you get the authentic batteries(Charge batteries fully before test).
SaleRank No. #2
LED Rechargeable 8000 Lumens 18650 Headlamp Flashlight,Kit with 6PCS 3.7V High Capacity Rechargeable Battery + Batteries Charger For Camping,Hiking, Outdoors
  • LONG-LASTING, POWER DISPLAY--- Come with 6PCS 18650 batteries headlamp, it can work 20~30 hours with fully charged at normal temperature.
  • 4 WORKING MODES: Whether you prefer to use the lowest, most focused setting,the wider and splashier medium and high modes, or the bright emergency-ready strobe light, this movable brightest LED head light is prepared to adjust to a full range of lighting needs.
  • ADJUSTABLE & LIGHTWEIGHT: Adjustable elastic headband compatible with all of people’s head size, soft elastic is comfortable to wear, lightweight enough for only 2.85oz
  • IPX-5 WATER RESISTANT: Practical, Reliable, Durable.It protects against splashing water from anywhere, no need to worry about rains, snow
  • High-Capacity Performance Lasting:This rechargeable High Capacity battery that can last up to 3~6 hours with a single charge.The battery is perfectly protected against heat and high temperature, allowing you to charge safely.
SaleRank No. #3
EBL Smart Rapid Battery Charger for Rechargeable 3.7V Li-ion LiFePO4 IMR Batteries 26650 18650 17500 14500 16340(RCR123), Ni-MH/Ni-Cd AA AAA C Batteries (Batteries Not Included)
  • Intellicharger with iQuick technology, upgraded charging speed up to 500mA, effectively charging batteries, save your time.
  • Compatible for 3.7V Li-ion Lithium-ion LiFePO4 IMR INR ICR 26650 25500 22650 18650 18490 18500 18350 16340 RCR123A 14500 10440 Rechargeable CR123 CR123A Li ion Batteries and Ni-MH/Ni-Cd A AA AAA rechargeable batteries
  • Portable and travel allowed due to the charger support any DC allowed occasion like using in car etc.
  • MCU controlled technology with advanced “overtime” safety function which could automatically stop to charge while the battery is fully charged.
  • Globally charger with smart LED to show its charging progress, when 3 LED lighting together means the battery is fully charged.
SaleRank No. #4
Super Bright 2000 Lumen 18650 Tactical Flashlight and 6PCS 3.7V High Capacity Rechargeable Battery+Batteries Charger,Zoomable, Water Resistant, 5 Modes Handheld Light
  • SUPER-BRIGHT: 2000 lumen (max) LED Flashlight,Ultra wide beam effortlessly illuminates a whole room or backyard.Adjustable focus with 5 modes: High, Medium, Low, Strobe, and SOS/Emergency protect your safety.
  • LONG-LASTING: Up to 6 hours (Medium-beam mode) of powerful, non-diminishing brightness from the included premium rechargeable High Capacity battery.
  • TOUGH & RELIABLE: IP65-rated water resistant and designed for use in heavy rain. Its durable aluminum body and shock-resistance endure rough handling.
  • High-Capacity Performance Lasting:This rechargeable High Capacity battery that can last up to 3~6 hours with a single charge.The battery is perfectly protected against heat and high temperature, allowing you to charge safely.
  • Warranty and Refund: If anything at all goes wrong with your flashlight, feel free to contact us Via Amazon email. 12 months warranty and 30 days money back guarantee. Please rest assured to buy, no worries at all.
SaleRank No. #5
UltraFire 18650 Flashlight with 4PCS UFB22 3.7v 18650 2200mAh Rechargeable Battery and Charger, Single Mode Mini Flashlights 500 Lumens
  • WHAT YOU GET: UltraFire WF-501B Single Mode Flashlight, 4PCS UFB22 Real 2200mAh 3.7v Rechargeable Battery, 1PCS Batteries Charger, Gift Box. (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: UltraFire WF-501B max 500 Lumens flashlight, XPE G3 LED bulb, 100,000 hours lifetime. Guarantee your home and outdoor daily worry-free use.
  • ONE MODE: Only single mode, no more annoying to push 5 times to turn off your flashlight. Just ON and OFF, simple but practical enough for you.
  • POWERE SOURCE: 4 PCS 3.7V 2200mAh Li-on Rechargeable Battery and 1PCS Battery Charger (Please remove the clear plastic film wrapped on the battery surface before using or charging,otherwise the battery will not work).
  • 5)UltraFire High-Performance Battery: Long-lasting 5-6 hours, Real 2200mAh, 44 grams. | Low discharge rate | Button Top | no memory effect | High energy density & Pollution-free
SaleRank No. #6
UltraFire Batteries 3.7V Rechargeable Li-ion 18-650 Battery 2200mAh Button Top with Charger (2 Pack)
  • 1,Shipped from WA.Please remove the clear plastic film wrapped on the battery surface before using or charging,otherwise the battery will not work.
  • 2,Please charge the battery in time, not until the battery is completely drained,otherwise it will reduce the battery life.
  • 3,This battery is NOT AA or AAA battery,NOT flat top battery,please make sure your device can use this battery before place order.
  • 4,Battery Size:2.63 x 0.72 x 0.72 in | Low discharge rate | Button Top | no memory effect | High energy density & Pollution-free
  • 5,The red light on the charger means charging and the blue light means fully charged.If the battery has enough power and doesn't need further charging at the moment,the blue light on the charger will show.
Rank No. #7
BL-5C 3.7V 1020mAh Rechargeable Battery Suitable for Household Radio with Current Protection 2 Pieces (Black).
  • 【Model】: BL-5C 1020mAh Voltage: 3.7V Charging voltage: 4.2V Standard: GB/T 18287-2000
  • 【Application】: Compatible Devices those use BL-5C battery.
  • 【Current Protection】: Avoiding over charge and discharge, over current and short-circuit, more safety.
  • 【Environmental Protection Materials】: Do not contain mercury, lead, cadmium such harmful substance.
  • 【Energy Saving】: Rechargeable batteries, strong recycling, environmental protection.
Rank No. #8
10440 3.7V Rechargeable Battery Li ion 350mAh Button Top 2 Pack
  • aaa(10440) Cell 3.7V li ion Rechargeable Battery
  • Button Top; Normal Capacity:350mAh
  • It's NOT normal AAA battery (size 10mm*45mm), Our size :10mm*44mm, pay attention!
  • 3.7V Rechargeable
  • Application for:Most Flashlight, wireless communications terminal equipment and a variety of portable devices, etc.
SaleRank No. #9
8 Pack 3.7V Rechargeable Battery 5800mAh Button Top Batteries Lithium Ion Battery with 2 Pack Two Slot Charger for 18650 Spotlight Flashlight Headlamp etc.
  • [SUPPORT MOST APPLICATION] 18650 Lithium 3.7V Rechargeable Battery is ideal for Flashlight, Microphone, headlamp, worklight, Controller, Electronic Toy, Home Security Devices, and other Household Appliances.
  • [HIGH CAPACITY] Each 18650 Lithium Battery 3.7V Rechargeable Battery has a high capacity, can power up your devices for long time.
  • [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)
SaleRank No. #10
2 Pack 4000mAh 18650 Rechargeable Battery Li-ion Button Top and 2 Slot Charger 3.7v Battery for 18650 Flashlight Headlamp
  • Mode:3.7v 4000mAh 18650 battery(Button top NOT flat top)
  • Battery Size:Diameter:18mm, Height:65mm.
  • All purpose:Suitable for 18650 flashlight, headlamp, light pointer,LED light, lantern,etc.
  • Package:2 pack 18650 rechargeable battery&1x battery charger
  • Note: Please remove the plastic film of the battery surface before using ,otherwise the battery will not work.

Last update on 2020-07-17 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated 3.7V Rechargeable Battery to Buy Now


Why You Should Buy Best 3.7V Rechargeable Battery from Amazon

Amazon is not the only store that sell 3.7V Rechargeable Battery. However, there are several compelling reasons why you should buy 3.7V Rechargeable Battery from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping 3.7V Rechargeable Battery Personal

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(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for 3.7V Rechargeable Battery. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best 3.7V Rechargeable Battery (with Price and Reviews)

Although most 3.7V Rechargeable Battery are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an 3.7V Rechargeable Battery:

(1) 3.7V Rechargeable Battery Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an 3.7V Rechargeable Battery should be in line with its value. You can compare 3.7V Rechargeable Battery reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular 3.7V Rechargeable Battery is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

3.7V Rechargeable Battery materials differ from manufacturer to manufacturer. Consider where and how you will be using your 3.7V Rechargeable Battery to determine if one material would be better than another.

(4) Size

Like most products, 3.7V Rechargeable Batterys come in various sizes. Do you need a large 3.7V Rechargeable Batteryor a small one? Think about where you will use your 3.7V Rechargeable Battery in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

3.7V Rechargeable Batterys also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your 3.7V Rechargeable Battery would have any effect on the efficiency of its operation.

(6) Durability

The durability of an 3.7V Rechargeable Battery will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of 3.7V Rechargeable Battery you purchase may affect its durability.

(7) Storage

Will you need to store your 3.7V Rechargeable Battery? If so, you should consider the size and weight of the 3.7V Rechargeable Batteryto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your 3.7V Rechargeable Battery will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an 3.7V Rechargeable Battery. It is hard to know exactly how an 3.7V Rechargeable Battery will perform until you get it home and try it out.

(9) Warranty

Make sure the 3.7V Rechargeable Battery you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.