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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.

2,015 Reviews Scanned

SaleRank No. #1
PAOWANG 18650 Rechargeable Battery 9900mAh 3.7v Li-ion Batteries for Handheld Flashlights, Headlamps, Doorbells, Toys, Cameras (2pcs, Flat 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
SaleRank No. #2
6pcs 1￵8￵6￵50 Rechargeable Batter￵y 5000mAh W￵i￵th 18650 Battery Charger,Universal Charger for Rechargeable 3.7V Li-ion Batteries 26650 14500 10440 Tokeyla (Button Top Type)
  • 【Safe and Universal】UNIVERSAL BATTERY CHARGER--Can charge for different types ofrechargeable batteries.
  • 【Multiple protection】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.
  • 【Customer Service】If there are any questions or quality problems please feel free to contact us for more support.
  • Compatible Devices: Rechargeable battery for flashlights, headlights, fans, digital cameras, children's toys, radios, speakers, surveillance equipment.
Rank No. #3
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-600mAh, 3.7 volt lithium battery connector plug: SM-2P black 2 pin, plug cross-sectioni size:5.5*5.2mm/ 0.22*0.195inch, Battery fit for some small size Stunt RC Car and some kind 1/18 scale RC Cars. 3.7V 500mah lithium battery fit for
    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.
  • 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 Sharkool 4WD Stunt RC Car Cars. battery replacement for some kind 4WD Stunt RC Car.
  • 3.7V 500mAh Li-ion batteryr replacement for some small size Drift RC Car. Battery replacement for DEERC DE42 DE44 DE45 DE68 DE69 Remote control Cars, battery replacement for BEZGAR TM201 TS201 TC141 TB201 TB202 17S 20 TS201 Toy Grade 1:20 Scal 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 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.
SaleRank No. #4
EBL 3.7V Li-ion Rechargeable Batteries 3000mAh 18J Rechargeable USB Lithium Battery for Flashlights, Headlamps, Doorbells, RC Cars (2 Pack)
  • EBL 18J Battery - 3.7V lithium batteries(SIZE: 18.5MM x 70MM, battery type: button top),fit for flashlight, toys, headlamps and other household devices.(NOTE: THEY ARE BUTTON TOP, LONGER THAN FLAT TOP BATTERIES, PLEASE CONFIRM THE BATTERY SIZE BEFORE PURCHASE)
  • Built-in micro USB port - easy to charge with the included 2 in 1 USB cable, no additional battery charger required, just plug into any USB port at anytime and anywhere.
  • Rechargeable Batteries -1200 Tech, ProCyco (Professional recycle) helps maximize its best power performance while charging.
  • Safety Assurance - built-in integrated safety circuit protects battery from over-charge, over-discharge, short-circuit and over-heat, ensures complete safety for the battery charging.Note: The smart chip protection makes our batteries are little longer than other flat top batteries.
  • High performance - EBL 3.7V Li-ion batteries with 3000mAh capacity, support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, great replacement batteries for high frequently used devices.
SaleRank No. #5
2Pcs 1￵8￵6￵5￵0 Rechargeable Batter￵y W￵i￵th 1￵86￵5￵0 Battery Charger,Universal Charger for 18￵650 Rechargeable Battery (2Pcs Batte￵r￵y+Charger)
  • Compatible Devices: Rechargeable battery for flashlights, headlights, fans, digital cameras, children's toys, radios, speakers, Camcorders ,surveillance equipment. the product excludes the sale of restricted Standalone lithium batteries.
  • 【Customer Service】If there are any questions or quality problems please feel free to contact us for more support.
  • 【Customer Service】If there are any questions or quality problems please feel free to contact us for more support.
  • 【Output: 4.2V ± 1%】The charging time of 18650 battery charger depends on the capacity of the battery.
  • 【Customer Service】If there are any questions or quality problems please feel free to contact us for more support.
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
SaleRank No. #7
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.
Rank No. #8
FPVERA 3.7V 1200mAh Li-ion Battery 2PCS 3.7Volt Rechargeable Batteries with USB Charger Cable SM-2P Plug for RC Car Drift Monster Truck Off-Road Vehicle Remote Control Car High-Speed Climbing Racing
  • 3.7V 1200mAh Rechargeable Li-ion battery: Connector SM SM-2P ,Voltage3.7V, Capacity:1200mAh, Battery Size 65 * 20 * 20mm/2.6 * 0.79 * 0.79inch, Weight:40g ,Lightweight and portable battery pack (Please make sure your RC car or other RC toys original battery same as ours,especially Connect)
  • Rechargeable Battery with USB Charging Cable: Everywhere You will Charge It. You can charge the battery on power bank, vehicle power, or computer, charger cable is great for MOST of the 3.7v batteries but not all. Check the printed limits on the chargers of different toys so the numbers match the charger that came with the toy
  • Perfect Replacement Battery: When your original battery is damaged or old, it can be a good replacement. You can also use it as a spare battery, when you play with toys, which allows you to enjoy longer action time(Please make sure your device battery is the same size and connector as the picture shows before you buy it)
  • Wide Applications: FPVERA 1200mAh 3.7V li-ion batteries compatible with DE45 DE42 Remote Control Car 1:14 Off-Road Vehicle (Please make sure your device battery is the same size and connector as the picture shows before you buy it, Only if the voltage, dimension, and the plug match will it fit)
  • Warranty and Guarantee: All of our products have been rigorously tested before leaving the factory, We provide 100% satisfied customer service, if you have any questions about our products, just feel free to contact us, and we will provide a replacement or refund within 24H
Rank No. #9
2 Pack 3.7 Volt Rechargeable Battery 9900mAh 18650 Battery Button Top Li-ion Battery for Flashlight, Headlamp
  • Application: These batteries can be used for flashlights, headlamps, doorbells, cameras, toys etc.
  • 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.
  • Product Size: 67*18*18mm/2.63*0.7*0.7inch.
Rank No. #10
YUTSUJO (2-Pack) 3.7V 6600mAh Li-ion Battery Pack, Replacement for Simplehuman Sensor Makeup Mirror ST3024, ST3026, ST3027, ST3028, BT-1080 Batteries
  • 6600 MAH CAPACITY- 3.7V battery- Provide power for Raspberry Pi and Arduino systems, as well as many other products
  • BUILT-IN OVER/UNDER CURRENT PROTECTION CIRCUIT- Automatic protection from low voltage drain or overcharging damage (2.75V cut-off)
  • 10cm (3.9 INCH) BATTERY CONNECTOR CABLE- Provides placement flexibility, along with a genuine JST 2-Pin connector
  • DIMENSIONS and WEIGHT- 65mm L x 54mm H x 18mm D, 150g = 2.55 inch L x 2.125 inch H x 0.70 inch D, 5.29 oz type: battery-powered
  • Package Included: 2 x Battery Pack [Rechargeable]. One-Year Warranty, Our Goal is to Keep Our Customers Beyond Satisfied.
SaleRank No. #11
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. #12
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. #13
Xain-USA 18650 3.7V 4400mAh 1S2P Rechargeable Li-ion Battery Pack Replacement, 16.28Wh, with JST-PH2.0mm 2-pin Interface Female Connector. for Outdoor Lights, Toys, GPS, Speakers, Fire Alarm.
  • [Rechargeable 4400mAh Battery Pack] 3.7V - 4400 mAh - 16.28Wh, 1S2P, Lithium-Ion battery pack, with JST-PH2.0mm 2-pin female interface connector.
  • [High Performance] 16.28Wh high-performance rechargeable Li-ion battery pack can support stable and safe power supply output at 0.2C, which means longer discharge time.
  • [Protection-PCB] Built-in PCB-FR-1 with IC-S8261DAX provides the battery pack with many safety features to protect against over-charge and over-discharge, operating temperature control, over-current, and short circuit protection.
  • [No Memory Effect] Li-ion batteries have no memory effect after the initial charge.
  • [High Energy Density] Battery pack is assembled with advanced technology and provides a high energy density of 162 Wh/kg.
SaleRank No. #14
6pcs 1￵8￵6￵50 Rechargeable Batter￵y 4000mAh W￵i￵th 18650 Battery Charger,2 Bay Universal Charger Tool for Rechargeable 3.7V Li-ion Batteries
  • You Will Get: 1 x 2 slots smart battery wall charger set.
  • Charging Indicator: When the indicator is RED, it means charging; when it's GREEN, it means full cha￵￵rged; make sure you put the battery in position and it contacts with charger.
  • Wide Compatibility: Battery charger tool compatible for high power devices, such as headlamp, flashlight, radio, cameras, doorbells, LED lights, solar lights, toys, small fans, RC car, headlights, etc.
  • No Standalone lithium batteries are sold with the product
Rank No. #15
VIDAR 3.7V 6000mAh-22.2wh Rechargeable Li-ion Battery Real Capacity Super Durability Lithium Batteries with JST 2.0/2P Plug for Electronics, Toys, Lighting, Equipment
  • 【QUALITY ASSURANCE】The 3.7V 6000mAh rechargeable li-ion battery strictly controls the consistency of voltage, internal resistance(15mΩ) and capacity to ensure the super stability and durability of the product, longer discharge time and more cycles. After 1000 cycles of normal charge and discharge, it can maintain more than 70% capacity.
  • 【KNOW BEFORE USE】3.7V li-ion battery is suitable 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 replace the connector by yourself.
  • 【SIZE & DURABILITY】Size: 2.68*1.46*0.75 Inch(68*37*19mm). Please Check the battery size and connector type. 3.7V 6000mAh rechargeable high capacity li-ion battery pack. Compared with NIMH, it can maintain 70% of the capacity for 1000 cycles of charging and extend the cycle life by 50%.
  • 【REAL CAPACITY】3.7V 6000mAh rechargeable li-ion battery has undergone rigorous capacity testing (±3%), which absolutely guarantees that the capacity is real and not false, and supports capacity testing. Allows you to enjoy longer use time, experience longer working time, and make your money more valuable.
  • 【BUY WITH CONFIDENCE】The product conforms to Amazon's after-sales service policy, after-sales support 6 months warranty service, I believe you have more confidence in our batteries. If you have any questions about the use of the product, please contact us in time, we will reply to you within 24 hours. Thank you very much.
Rank No. #16
PKCELL ICR18500 Rechargeable Li-ion Battery 3.7V 1400mAh Battery Button Top 2pcs(Battery Size 18 * 50mm)
  • 18500 1400mAh 3.7V battery with button top
  • pls pay attention make sure the size right before you placed an order
  • Battery size:18*50mm
  • Capacity: 1400mAh
  • Battery appliations: LED Flashlight, headlamp,torch, headlight,PS4 controller
Rank No. #17
VVHOOY Action Camera Battery Pack 2 Pcs 3.7V 900mAh Rechargeable Li-ion Batteries with USB Charger, Compatible with SJCAM SJ4000 SJ5000/Victure AC700 AC900/AKASO EK7000/Brave 4/APEMAN
  • 1.Included: 2*900mah rechargeable batteries,1*Rapid Dual Charger,1*USB cable.(Charges two camera batteries at the same time.,Double recording time and double enjoyment).
  • 2. Item comes with a small white box, small to carry in pockets and bags.A must have for your action cam.A must have for your Trip.
  • 3. RED light shows that the battery is charging, Green light shows that the battery is full charged or no battery in charging.
  • 4. Allows you power the Dual USB Charger with included USB cord, also you can use your own micro usb cable. Can be powered with most standard USB Wall or Auto Charger or PC, using any USB power source.
  • 5.Batteries set and dual charger for DBPOWER EX5000/Lightdow LD4000 LD6000/AKASO EK7000, EK7000 pro, Brave 4, Brave 4 pro/Davola/ALOFOX/Victure AC200 AC400 AC700 AC900/Campark X20 ACT74 ACT68 ACT73R X15 X25/SOOCOO/Pictek/EKEN/Apeman A80 A60 A77 /HLS/TENKER/Neewer/iconntech/Aokon/SJCAM SJ4000 SJ5000 SJ6000 SJ8000 SJ9000 SJ4K air SJ m10/Yuntab/HDCool/Vtin/Cymas/Canany/Wimius/ABLEGRID/Vikeepro/camera etc. (Please contact us if you are not sure whether this charger and battery can be used for your camera.)
SaleRank No. #18
CBJJ 3.7 Volt 18650 Rechargeable Battery 9900mAh 18650 Battery Button Top Li-ion Battery for Flashlight, Headlamp, 2 Pack
  • 【Dimension】Product size: 67*18*18mm(2.64*0.71*0.71inch). NOTE: This is BUTTON TOP battery, please confirm the battery size and battery type before purchase
  • 【High Performance】 9900mAh large capacity 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
  • 【Multiple Protections】This 3.7v 18650 battery is without any memory effect and provide multiple protections,including short circuit, overcharge, and overcurrent protection. Prefectly make the battery to be more stable and safe to protect your devices
  • 【Wide Compatibility】The long-lasting 3.7v rechargeable battery is compatible with versatile devices, such as headlamps, flashlights, pathlights, garden lights, doorbells, small fans, etc. It's super convenient for home use and outdoor use. NOTE: Please fully charge the products before use
  • 【Warm Service】All of products have passed strict testing for normal use. If you have any question, please feel free to contact us, we'll reply email ASAP

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:

  1. 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.
  2. Features: What bells and whistles matter for an 3.7V Li-Ion Battery?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 3.7V Li-Ion Battery.
  5. Customer Ratings: Number ratings grade 3.7V Li-Ion Battery objectively.
  6. 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.
  7. Product Quality: You don’t always get what you pay for with an 3.7V Li-Ion Battery, sometimes less, and sometimes more.
  8. 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.

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