18 Best 3.7V Li-Ion Battery of 2022 – Romance University

After hours researching and comparing all models on the market, Romance University finds out Top 18 Best 3.7V Li-Ion Battery of 2022. Check our ranking below.

2,348 Reviews Scanned

Rank No. #1

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. #2

4pcs 1￵8￵6￵5￵0 Rechargeable Batter￵y W￵i￵th 18650 Battery Charger,Universal Smart Charger for 3￵.7V L￵ithium ion Batteries LSXdetoro (4pcs Button Top Batter￵y+Charger)

USB Charger Safety Protection Under voltage protection, over voltage protection, over current protection, over temperature protection, short circuit protection, excellent heat dissipation design .the product excludes the sale of restricted Standalone lithium batteries.
Compatible Devices: Battery for flashlights, headlights, fans, digital cameras, radios, speakers, surveillance equipment.
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 automatically stops charging when complete.
4 bay Battery Charger :4 charging channels can charge the battery independently. 4 slots can be adjusted according to different battery sizes.

Rank No. #3

PAOWANG 18650 Rechargeable Battery 3.7 Volt Rechargeable Battery Button Top Li Batteries for Flashlights, Headlamps

18650 battery size：65*18*18mm(2.56*0.7*0.7inch) it's a rechargeable battery button top.
Voltage: 3.7 volt rechargeable battery ，the nominal voltage is between 3.6 and 3.7v. It is normal for the charging and discharging voltages to fluctuate
18650 battery type：button top,there is a bulge on the top of the battery. Please confirm whether your device is suitable before purchasing
Multi-application： 18650 batteries for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices. Wake up your device at any time
Low self-discharge battery：3.7volt li-ion battery can still maintain 80% capacity after 1 years of non-use, which can maintain the lasting performance of the battery itself and reduce the probability of battery damage，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. #4

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 and Sharkool Small size RC Boat., Battery suitable for Supired Y8359 RC Robot Dog,which battery size, voltage and plug all match.

Rank No. #5

QOJH 3.7v Lithium ion Battery 18650 Rechargeable Flashlight Battery 1800mAh 2Pack for Headlamp, Solar Lights, Remote Controls, Mini Fans (Button Top)

【UNIVERSAL COMPATIBILITY】QOJH 1800mAh high capacity 18650 rechargeable battery can be widely used for LED flashlights, solar lights, racing, game controller, emergency lights, portable devices, headlamps, toys, remote controls, doorbells and other electronic devices.
【NOTE】QOJH 18650 battery Size:2.63*0.7inch(67 * 18mm) .it's a rechargeable battery FLAT TOP, Please confirm whether your device is suitable before purchasing.
【PRE-CHARGED】Each QOJH 3.7v lithium ion battery is ready to use and It can be recharged over 2000 times and keep 60% power after non-use for 2 years.
【LONG LASTING】Low discharge multiplier, no memory effect. 3.7 volt rechargeable battery are tested under strict quality control standards,safe and reliable use. Premium Li-ion Cells For Longer Battery Life .
【QOJH AFTER-SALES SERVICE】1 month return and exchange, if you have any questions about ours 3.7v battery, please feel free to contact us, we will provide you with professional solutions and satisfactory services as soon as possible.

Rank No. #6

PAOWANG 18650 Rechargeable Battery 3.7Volt Li-ion Batteries 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

SaleRank No. #7

Swanlake 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery (not Including Battery

INTELLIGENT UNIVERSAL CHARGER:The Battery Charger can charge simultaneously rechargeable batteries of different specifications.Suitable for 3.7V Li-ion rechargeable batteries 26650,18650,21700,18500,18350,14650,16650,16340,14500,10440
CONVENIENT CHARGING INTERFACE:USB charging help travelers can charge lithium ion batteries anytime anywhere, especially when you don’t have enough outlet,you can even simply plug into your laptop or other device
INTELLIGENT CHARGING:The charger can automatically select the best charging current and support 2-slot simultaneous independent charging.Intelligent LED charging status indicator, when the battery is full, it changes from red to green and the charger will automatically stop charging
SAFE CHARGING:Safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance;the battery will not be over-charged and over heat
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

SaleRank No. #8

4 Pack 3.7 Volt Button Top Rechargeable Batteries and 18650 Battery Charger,Lithium Battery 4000mAh for Flashlights, Headlamps, Doorbells, RC Cars,Outdoor Garden Lights（Battery and Charger）

YOU WILL GET: 4 B￵UT￵TO￵N T￵OP B￵ATTE￵RIES and Universal Charger
【Wide Compatibility】Compatible with flashlights,headlamps, doorbells, small fans, digital cameras, children's toys, radios, speakers, Camcorders. Helps you wake up your devices quickly.

SaleRank No. #9

JESSPOW 18500 Rechargeable Batteries, IMR 18500 Rechargeable Li-ion Battery 1600mAh 3.7V [ for Flashlight, Solar Garden Light ] with Button Top (4Pack)

This is 18500 battery, High capacity 18500 lithium rechargeable batteries with button top. Not 18650 battery, can not compatible with devices that using 18650 batteries.
Amp Limit: 16.5A, Voltage: 3.7V, Type: Button Top, High capacity 1600mah lithium rechargeable solar replacement batteries.
JESSPOW 18500 3.7V battery compatible with solar lights, garden lights, security system panels, LED flashlights, landscape lighting.
Environmentally Friendly - It is super convenient to use and replace one-time-use battery to save environment by preventing the waste of non-rechargeable lithium 18500 battery.
CUSTOMER SERVICE - If you are not satisfied with our Rechargeable Battery, let us know and you will be offered a full refund or free replacement. Enjoy this absolutely RISK FREE purchase by clicking the yellow [Add to Cart] button.

Rank No. #10

EEMB Lithium Polymer Battery 3.7V 2000mAh 103454 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: 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.
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.

Rank No. #11

QOJH 3.7volt 18650 Rechargeable Battery Li-ion Battery, 18650 Flat top Real Capacity 2000mAh for Headlamp, LED Flashlight, Solar Lights, Remote Control Toy, Mini Fans etc (Purple)

Real High Capacity: QOJH 3.7v 18650 lithium battery deliver up to 2000mAh typical ideal for high dran devices.
Widely Used: QOJH 18650 rechargeable batteries can be used in remote controls, flashlights, toys, wireless computer devices, rc cars, solar lights, mini fans, shaver, game controllers and more.
Note: QOJH flat top 18650 rechargeable li-ion battery which length is 2.56 inches and the width is 0.7 inches.
Ready To Use: Each 3.7v lithium ion battery is ready to use.
Low Self Discharged: QOJH 18650 batteries maintain 30% of capacity after 24 months of non-use and and can be recharged more than 2000 times, reduce the waste of disposable batteries effectively.

Rank No. #12

Ltrrysoa 6pcs 1￵865￵0 Rechargeable Battery W￵i￵th 18650 Battery Charger,Universal Smart 18650 Charger for 3.7V Lithium ion Batteries 1￵86￵5￵0 Rechargeable Battery (6pcs Button Top Batter￵y+Charger)

USB Charger Safety Protection Under voltage protection, over voltage protection, over current protection, o1ver temperature protection, short circuit protection, excellent heat dissipation design .Not AA rechargeable battery.the product excludes the sale of restricted Standalone lithium batteries.
Charging display：This Battery charger with 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.Not AA rechargeable battery
Universal Battery Charger: This multi-bay battery charger is fully compatible with 3.￵￵7￵￵￵￵V li￵thium batter￵￵￵￵y
Charge Anytime & Anywhere: The battery charger is powered through a USB port, allowing you to supply power to it via a PC, adapter, portable power bank, or car charger, making it incredibly convenient.
Compatible Devices: Rechargeable batter￵y for flashlights, headlights, fans, digital cameras, radios, speakers, surveillance equipment.

Rank No. #13

2 Pack 1￵8￵6￵5￵0 Rechargeable Batter￵y 9900m￵A￵h W￵i￵th 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 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

Rank No. #14

OXWINOU Lithium Polymer Battery 3.7V 2200mAh 103450 Lipo Rechargeable Battery Pack with 2 Wires JST 2.0mm Connector for Speaker and Wireless Device(1-Pack)

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: 2200mAh, ; Weight: approximate 36g; Size: 11 x 34.5 x 52mm(WxLxH). And the connector model of our battery is JSH-PHR-02. The distance between positive and negative poles is 2mm and the width of the whole plug is 5.8 mm.
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.
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.

Rank No. #15

5200mAh 3.7v lithium ion battery with 2.0Pin JST-PH JST 2.0/2P Plug Rechargeable battery Pack lithium 3.7 volt batteries for Electronics, Toys, Lighting, Equipment, Bluetooth speaker other products.

Rplacement lithium ion Battery 3.7v
Size: 2.65 *1.46 *0.75 Inches, Weight: 90g,Capacity: 5200mAh/
3.7 volt rechargeable battery for 3.7V~4.2V equipment. For example, Bluetooth speakers, solar outdoor lights, solar cameras, dental lights, etc. After receiving the battery, check whether the position of the red (+) and black (-) wires of the plug is consistent with the old battery. In different positions, you need to adjust the position. If the plug size is different, You can change the interface port with instructions.
Please use this product correctly and keep away from water and fire. Do not squeeze, throw, hit, disassemble, etc. Discard in a trash can with a dedicated battery.
【After-sales Service】12-month warranty and 14-day money back guarantee. Please feel free to contact us with any question, 24*7 Email support.

Rank No. #16

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. #17

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. #18

QOJH 3.7V Li-ion Rechargeable Batteries 2000mAh 18650 Rechargeable Lithium Battery for Flashlights, Headlamps, Doorbells, RC Cars, 2 Pack (Flat Top)

QOJH high capacity 18650 battery compatible with LED flashlights, emergency lights, portable devices, headlamps, toys, remote controls, doorbells solar lights, racing, game controller, mini fan and other electronic devices.
QOJH 2000mAh high capacity 18650 rechargeable battery which supports stable power for your devices and effectively prevents damage of the devices, such a perfect replacement battery for used devices with high frequency.
QOJH 3.7 volt rechargeable battery are tested under strict quality control standards and absolutely no risk of leakage.
QOJH 3.7v 18650 rechargeable battery is without any memory effect and provide multiple protections, including short circuit, overcharge, and overcurrent protection.
QOJH 3.7V Lithium Battery, this is 18650 Flat-top rechargeable Batteries, please confirm the battery size and battery type before purchase.

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

Do you get stressed out thinking about shopping for a great 3.7V Li-Ion Battery? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 3.7V Li-Ion Battery, which is why we have assembled a comprehensive list of the greatest 3.7V Li-Ion Battery available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has 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?
What benefits are there with buying an 3.7V Li-Ion Battery?
What factors deserve consideration when shopping for an effective 3.7V Li-Ion Battery?
Why is it crucial to invest in any 3.7V Li-Ion Battery, much less the best one?
Which 3.7V Li-Ion Battery are good in the current market?
Where can you find information like this about 3.7V Li-Ion Battery?

We’re convinced that you likely have far more questions than just these regarding 3.7V Li-Ion Battery, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

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.

Romance University provides 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.

Romance University always remembers that maintaining 3.7V Li-Ion Battery information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 3.7V Li-Ion Battery is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

18 Best 3.7V Li-Ion Battery of 2022 – Romance University

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

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