The Best 3.7V Li-Ion Battery of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3.7V Li-Ion Battery of 2022. Check our ranking below.

2,022 Reviews Scanned

Rank No. #1

Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and C63 Battery and USB 2

Real capacity is 500mAh-800mAh, 3.7 volt lithium battery connector plug: SM-2P black 2 pin, plug end cross-section size:5.5*5.2mm/ 0.22*0.195inch, 1S li-ion battery fit for some small size Stunt RC Car and some kind 1/18 scale RC Cars.
3.7V 500mAh li-ion battery suitable for some kind 1/18 scale Water-Resistant High Speed Remote Control Car,make sure voltage, plug, size are match before buying.
USB Charger cable built-in over-charged protection board, it would stop after full charged, some red light are not off after full charged, you can reconnect again,red light would be off if full charged. It most take 3-4 hours can full charged.. 3.7v rechargeable battery voltage: 3.7V , Material: Li-ion.Battery dimensions: L51*18*14mm /2.0*0.72*0.56inch, batery weight:19g/0.66oz. 3.7V 500mAh Li-ion rechargeable battery replacement for some kind Double sided Flip RC Stunt Car,Color maybe orange, green,red.
There is 8.5A over current protection circuit on this battery. 3.7V 500mAh Li-ion battery replacment for Small Size RC Cars RC Boat RC Trucks , battery replacement for some kind Small Amphibious RC Stunt car.
3.7V 500mAh battery fit for some kind 1/16 RC Vehicle ,which size voltage and battery plug all match.
Battery replacment for KKONES ORRENTE Sharkool Rcabcar 4WD Stunt RC Car Cars. battery replacement for some kind 4WD Stunt RC Car,which battery size, voltage and plug all match.
3.7V 500mAh Li-ion batteryr replacement for some small size Drift RC Car. Battery replacement for DEERC DE70 DE42 DE45 DE68 DE69 Remote control Cars, battery replacement for BEZGAR TD141 ransform RC Cars, battery replacement for 4DRC C3 RC Cars Remote Control RC Car . Battery replacement for some small szie Alligator Head RC Boat, which battery size, voltage and plug all match.
3.7V 500mAh Li-ion rechargeable battery replacement for some kind of Small size RC Boat,which use same plug and voltage. Battery replacement for some kind 2 IN 1 Small RC Boat, Battery replacement for some Wave Speeder Small size RC Boat, Battery replacement for Tonason Tollycy TR10 TR11 Small Size RC Boat. battery replacement for EACHINE EC21 Small size RC Boat, Battery replacement for Sharkool Small size RC Boat., which battery size, voltage and plug all match.

Rank No. #2

PAOWANG 18650 Rechargeable Battery 9900mAh 3.7v Li-ion Batteries for Handheld Flashlights, Headlamps, Doorbells, Toys, Cameras (2pcs, Button Top)

Voltage: 3.7v
Size: 18*18*65 mm, which is bigger than AA battery
Usage: Flashlights, headlamps, etc. You can use it on many devices
18650 rechargeable battery：Measures 18mm in diameter and 65mm in height
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

Rank No. #3

AFSONGOO 2 Pack 3.7 Volt 18650 Rechargeable Battery 3400mAh 18650 Li-ion Battery for Flashlights, Headlamps, Doorbells, RC Cars (Flat Top)

Product Dimensions: 65*18*18 mm/2.56*0.71*0.71 inch. NOTE: These are FLAT TOP 18650 batteries. 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.

Rank No. #4

VICMILE 3.7V 800mah Li-ion Battery 2Pack with USB Chargers SM-2P Plug RC Rechargeable Battery Compatible with Remote Control Cars E35 DE38 DE40 DE50 DE55 TB202 TM141 Toy Cars 2Pack

Specific Parameters: Dimensions: 51*14mm/ 2*0.55inch; Weight: 22g(per unit); Capacity: Real 800mAh; Volt: 3.7V. Plug: SM-2P.
Wide Applications: VICMILE 800mAh 3.7V Li-ion batteries compatible with E35 DE38 DE40 DE50 DE55 TB202 TM141 (Only if the voltage, dimension and the plug match, then it will fit).
Ultra Safe: Our high technology enables quick & constant charging at anytime, and no cell memory effect so that you do not need to full discharge before recharging.
Long cycle life: All of our RC batteries are available use at anytime. The uniquely designed will recycle at least 300 times.
What You Get & Warranty: 2 x VICMILE 800mAh Li-ion Batteries, 2 x 3.7V USB Battery Charger, VICMILE offers one year warranty and life long customer services.

Rank No. #5

Generic 2 Pack 18650 5000mAh Rechargeable Battery 5000mAh Wiith 18650 Battery Charger, Universal Charger Single Slot for 3.7V Rechargeable Batteries 21700 14500 10440

【Safe and Universal】Uiversal Battery Charger--Can charge for different types of DC 3.7V cylindrical lithium batteries.You Will Get: 1×Uiversal Battery Charger，2×1￵8￵6￵50 bu￵tt￵on t￵op bat￵ter￵y.
【Multiple Rrotection】Comes with special charge and discharge management circuit. With multiple security protection settings, the charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery, which makes users using the product without any safety concern.
【Charging Display】This Battery charger with Red/Green led light display, And the charger will display the status of each rechargeable battery when charging, Automatically detects battery power status and displays charging progress, and automatically stops charging when complete.
【Compatible Devices】Standby power supply for flashlights, headlights, fans, digital cameras, children's toys, radios, speakers,camcorde, surveillance equipment.
No Standalone lithium batteries are sold with the product.

Rank No. #6

Tosiicop 3.7V Li-ion Battery 1200mAh - 2 Pack Rechargeable Batteries SM-2P Plug with 2 USB Charger Cable for Remote Control Cars Toy Monster Off-Road Trucks Racing RC Car

💫【RC Truck Car Big Battery】Suitable for NQD 1:14 remote control big monster car.and DE68 DE44 DE45W DE42 remote controL trucks RC cars.(PLEASE NOTE THE BATTERY SIZE AND CONNECT)
💫【3.7V Rechargeable Battery】You can charging battery at home also outdoor use all power bank, car power, computer to charging
💫【Battery Specifications】SM-2P connector, 3.7v RC car lithium 1200mah battery, size for 2.6*0.79*0.26 inch,weight for 40g
💫【Package List】You will get 2*3.7V 1200mAh lithium battery,2*USB cable
💫【Before Your Order】Some RC cars will not suit for our battery.Please check if your car macth the battery interface(SM-2P)and size in the picture

Rank No. #7

AFSONGOO 2 Pack 3.7 Volt 18650 Rechargeable Battery 3400mAh 18650 Flat Top Battery 18650 Li-ion Battery for Flashlight, Headlamp

Product Dimensions: 65*18*18 mm/2.56*0.71*0.71 inch. NOTE: These are FLAT TOP 18650 batteries. 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.

Rank No. #8

PAOWANG 18650 Rechargeable Battery 3.7Volt Li-ion Batteries 9900mAh Button Top for LED Flashlights Headlamps, Solar Lights & More 2 Pack

【18650 Battery Size】65*18*18mm(2.56*0.7*0.7inch) It's a rechargeable battery BUTTON TOP.Please confirm whether your device is suitable before purchasing
【Multi-Application】Long lasting 18650 batteries for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices.Wake up your device at any time
【High Performance】With a large capacity of 9900mAh, 18650 rechargeable batteries can last at least 20% longer than other batteries, ideal replacement battery for used devices with high frequency
【Safety Protection】Povides 6 types of protection, such as temperature protection, short circuit protection, overcharge protection to stabilize the battery
【Low Self-Discharge Battery】3.7Volt Li-ion battery can still maintain 80% capacity after 2 years of non-use, which can maintain the lasting performance of the battery itself and reduce the probability of battery damage

Rank No. #9

Retevis RT22 RT22S RT15 RT19 walkie talkies Battery Original 3.7V Li-ion Battery 1000mAh Compatible RT22 RT22S RT15 RT19 WLN KD-C1 Walkie Talkies (5 Pack)

3.7V voltage;1000mAh battery capacity
Walkie talkies rechargeable battery for the Retevis RT22 RT22S RT15 two way radios
Full charged can last about 8-12 hour using
Light weight for easy packing during some outdoor activities
Great back up for your original batteries

Rank No. #10

EEMB Lithium Polymer Battery 3.7V 1050mAh 553454 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase

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: 1050mAh, Min capacity: 855mAh; Weight: approximate 21g; Size: 6.4 x 34.5 x 56mm(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.//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, monitoring units, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, IoT.

Last update on 2025-07-04 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 3.7V Li-Ion Battery?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 3.7V Li-Ion Battery that you consider buying. Your questions might include the following:

Is it worth buying an 3.7V Li-Ion Battery?
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Where can you find information like this about 3.7V Li-Ion Battery?

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Potential sources can include buying guides for 3.7V Li-Ion Battery, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 3.7V Li-Ion Battery. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 3.7V Li-Ion Battery buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 3.7V Li-Ion Battery currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of 3.7V Li-Ion Battery has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an 3.7V Li-Ion Battery?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your 3.7V Li-Ion Battery.
Customer Ratings: Number ratings grade 3.7V Li-Ion Battery objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3.7V Li-Ion Battery.
Product Quality: You don’t always get what you pay for with an 3.7V Li-Ion Battery, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 3.7V Li-Ion Battery is should be an indication of how long it will work out for you.

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The Best 3.7V Li-Ion Battery of 2022 – Reviewed and Top Rated

How Do You Buy The Best 3.7V Li-Ion Battery?

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