The Best 3.7v battery pack of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3.7v battery pack of 2023. Check our ranking below.

2,814 Reviews Scanned

Rank No. #1

Blomiky 3.7V 1000mAh 2 Pack Lithium-ion Rechargeable Battery with SM2P Plug and Charger Cable for Remote Control Trucks 813A Battery 2

Battery plug: SM-2P black 2 pin, plug end cross-section size:0.22*0.2inch.
RC Battery dimentsions:52.5 *28.5 *14.6mm/ 2.07 *1.12 *0.58 inch(L *W *H),battery weight:38grams/1.32oz. 3.7V 1S 1000mAh Lithium-ion rechargeable battery,
3.7V 1000mAh Li-ion rechareable battery with SM-2P plug suitable for Some kind of Kendilong Battery Robots.Transforming car
3.7V 1000mAh Li-ion rechareable battery with SM-2P plug suitable for Some kind Transforming RC Cars.Make sure your RC device battery room size and plug fit before buying.
3.7V 1000mAh Li-ion battery suitable for some kind of Remote Control Trucks Cars Vehicles. Make sure your RC device battery room size and plug fit before buying.

Rank No. #2

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, 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.

Rank No. #3

KLCOHUW 3.7V Rechargeable Batteries 2000mAh li-ION Battery, Portable Emergency Lights Battery, 1200 Cycles Long Life (Flat Top, 2 Pack)

High Capacity Battery: The Rechargeable Solar Light battery capacity have 2000mAh (Size: 18 x 65MM/0.70 x 2.56 Inch). It is using LSD self-discharge suppression technology.
More Compatible: Electronic pro devices and household appliances are fully compatible, such as LED flashlights, emergency lights, power bank, headlights, RC toys, remote controls, digital cameras, solar lamps, etc.
More Protection: 3.7v Rechargeable lithium batteries, built-in safety circuit board protects battery from over-charge, over-discharge, short-circuit, over-heat.
More Strong Power and Long Life: Unique low decomposition technology up to 1200 times, and longer service life than ordinary batteries, support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, great replacement batteries for high power used devices.
Sevice: If you have any questions, please contact us for free.We're on line 24 hours.

Rank No. #4

Battery Packs Lithium Ion Battery Pack 3.7V 4400 mAh

Genuine JST 2-pin connector
4400mAh Capacity
Weight: 95 g/ 3.5 oz
Max recommended charging rate: 1A
Max recommended discharge rate: 2.2A

SaleRank No. #5

VICMILE 3.7V 2000mah Li-ion Battery 2Pack with 2 USB Chargers SM-2P Plug 15C RC Recgargeble Battery Compatible with DE45 DE42 Remote Control Cars

Specific Parameters: Dimensions: 68*18mm/ 2.67*0.7inch; Weight: 51.2g(per unit); Capacity: Real 2000mAh; Volt: 3.7V. Plug: SM-2P. Discharge Rate: 15C.
Wide Applications: VICMILE 2000mAh 3.7V li-ion batteries compatible with DEERC DE45 DE42 (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 2000mAh Li-ion Batteries, 2 x 3.7V USB Battery Charger, VICMILE offers one year warranty and life long customer services.

Rank No. #6

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 Minsk Stunt RC Car and TREYWELL 1/18 scale RC Cars. 3.7V 500mah lithium battery fit for
3.7V 500mAh li-ion battery fit for Blexy 1/18 scale Water-Resistant High Speed Remote Control Car,.
3.7v rechargeable battery voltage: 3.7V , capacity:500mAh , 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 Tecnock Uniway 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 AUSUT Free to fly Landtaix Seckton Small Amphibious RC Stunt car.
3.7V 500mAh battery fit for NQD SPESXFUN 1/16 RC Vehicle .
Battery replacment for Sharkool 4WD Stunt RC Car Cars. battery replacement for Cradream 4WD Stunt RC Car. Battery replacement for MissCat
3.7V 500mAh Li-ion batteryr replacement for SparkMaster 1/16 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 Seckton Alligator Head RC Boat
3.7V 500mAh Li-ion rechargeable battery replacement for Kidfavor H116 Small size RC Boat. Battery replacement for SZJJX 2 IN 1 Small RC Boat, Battery replacement for Force1 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.

Rank No. #7

sea Jump 5PCS 3.7V 400mAh Li Battery with 5in1 Charger for SYMA Q11 H99W H31 H6C H98 TR-C385 TR-P51 TR-F22 Quadcopter Parts Aircraft Model Drone Battery AT-96

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

Rank No. #8

sea jump 5PCS 3.7V 380mAh Battery+Charger for X4 H107,H107C,H107L, X11 X11C,HS170 HS170C F180C HS170G TOZO Q2020 E016H E016F FX801 V911S A120 XK A150 V966

Longer Flight Time:Real Capacity 3.7V 350-380mAh Rechargeable Lipo battery,guarantee more flight time,high drain lithium-polymer rechargable battery,with built in protection IC
Suit for Hubsan X4 H107,H107C,H107L RC Quadcopter,Syma X11 X11C FX801 V911S A120 XK A150 V966, HS170 HS170C F180C HS170G TOZO Q2020 E016H E016F FX801 V911S A120 XK A150 V966
This Fast smart Charger: input: DC 5V;output: 4.2V,charging 5 batteries(3.7V) at the same time ,over charging protection and Short circuit protection,
Performance due to its higher current output and power.Obtain longer flight time.
High Performance- Specifically designed for high performance RC hobby.

SaleRank No. #9

URGENEX 3.7V Lipo Battery 850mah Rechargeable Lipo with JST Plug X5 Charger for MJX Syma Holy Stone Sky Viper RC Quadcopter Drone X56W X400 X400W X300C X400C X800 HS110 HS200 S670 V950hd S1750 V2450

✈Application: URGENEX 850mah 3.7V Li-Po batteries will fit for MJX Syma Holy Stone Sky Viper RC Quadcopter Drone X56W X400 X400W X300C X400C X800 HS110 HS200 S670 V950hd S1750 V2450(Only if the voltage, dimension and the plug match, then it will fit).
✈Parameter: Size: 43.8*24.6*9.6mm/1.7*0.96*0.37inch; Weight:19g/0.67oz; Capacity: 850mAh; Volt: 3.7V.
✈Battery Plug: JST Plug. Please noted that you should confirm your drone battery dimension and connector plug both are same as URGENEX batteries.
✈More Power: Deliver power when you need it. URGENEX RC battery pack deliver a discharge rate to push your RC drone fly time to the peak of its abilities.
✈Convenient & 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. All of our RC batteries are available use at anytime.

SaleRank No. #10

Qimoo 3.7V 4400mah-16.28Wh Rechargeable Battery Pack Lithium Ion Batteries with PH2.0mm Connector for DIY Electronics Products, Toys, Lighting, Bluetooth Equipment

Specifications: Capacity : 4400mAh; Size: 66x37x20mm/2.6x1.45x0.78inch ; Weight: 95g ;wattage : 16.28Wh; Type of plug: PH2.0mm ;Cable Length: 10cm / 3.9".
Performance: The 3.7volt lipo battery has consistency in voltage, internal resistance (20mΩ) and capacity. Ensure the stability and durability of the battery. Long discharge time and high cycle times. Normal charging and discharging 300 times can still maintain 85% of capacity.
The 4400mah-16.28Wh rechargeable li-ion battery pack is suitable for 3.7V~4.2V devices. For example, DIY electronic products, Bluetooth speakers, toy cars, solar outdoor lights, medical equipment, power tools, etc.
Before use, please check whether the battery voltage, positive and negative polarity match with the original battery. The red line is positive "+" and the black line is negative "-". The opposite will result in damage to the device.If the plugs do not match in size, you can replace them yourself.
Package Content: 1 x 4400mAh-16.28Wh high capacity lithium ion batteries.

Rank No. #11

Taken CR123A Lithium Battery 12 Pack 3.7V 123 Batteries 800mAh High Power Rechargeable Batteries, 10 Years Shelf Life for Arlo Cameras Security Flashlight Toys Alarm System

HIGH CAPACITY and LONG TIME USE - 100% Brand New 3.7V cr123a lithium batteries. Perfect for High Drain Devices; No Memory Effect, Can Be Recharged Up to 2000+ Times When Fully or Partially Drained.
LONG LASTING - ours 123A lithium battery made of high quality materials, lasting 20% longer than other CR123A batteries, Full 10-Year Shelf Life
VERSATILE BATTERY - TAKEN CR123 battery Compatible with Arlo Camera (VMC3030/VMK3200/VMS3330/3430/3530), Flashlight, Digital Camera, Camcorder, Electronic Toy, Calculator, Mouse, Alarm System.
REPLACE ONE TIME USE BATTERY - [CAN BE RECHARGED] 123 batteries Save a lot of money.
ENVIRONMENYAL FRIENDLY - It is Super Convenient to Use and Replace Single Use Battery to Save Environment by Preventing the Waste of Non-rechargeable Lithium cr 123a/Alkaline Battery.

Rank No. #12

Synergy Digital Battery Compatible with Croove B0143KH9KG Replacement Battery - (Li-Ion, 3.7V, 2600 mAh)

Compatible Replacement Battery for: Croove B0143KH9KG
Dimensions: 0.88 x 2.58 x 0.72 Inches
Weight: 4.18 oz.
Li-Ion, 3.7V, 2600 mAh
100% compatible with your Original Battery - 3 year warranty. Made with high quality Japanese cells.

Rank No. #13

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 Aplications: 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. #14

Rechargeable Battery, 3.7 Volt Battery, 2200mAh Real Capacity Flashlight Batteries, 20A Flat Top Batteries (2 Pcs)

Type: Flat Top battery, 65*18mm
Application type: Instruments Electronic model airplanes, cars, electric bicycles, etc.
Could be charged and discharged multiple time,durable.
Provides enduring working time,brings you longer funny time.
Portable: Light weight,safety and environmental friendly.

Rank No. #15

Pack of 4 3.7 Volt Rechargeable Battery, 2200mAh Batteries Button top 3.7V Lithium-ion Battery, Full Capacity Lithium Battery for Electronic Toys/Headlights/Doorbells/Flashlights, Size:18 * 67mm

[With PCB Protection Board & Product Specifications]: Voltage: Standard state 3.7V. Battery size for BUTTON TOP battery: Diameter 18 mm x Length 67mm. Weight: 58g ± 0.5g. Equipped with multiple protection functions, overcharge/overdischarge protection, overvoltage protection, short-circuit protection, overheat protection, reverse polarity protection. 🔋🔋 Notices: Please check the battery size whether fit for your device before purchasing🔋🔋.
[Superior Usability]: 2200mAh 3.7V high capacity rechargeable battery can be used repeatedly, and it is also effective in various applications and devices. Compared to disposable alkaline batteries, for example, it is fully effective in high-power devices such as digital cameras, mini USB fans, headlights, LED flashlights, bicycle lights, etc.
[Charging Cycles 1200 Times & Great Savings]: Since there is no memory effect, it has durability and long life, and can be charged up to 1200 times repeatedly.
[Wide Range of Applications]: 3.7 Volt rechargeable battery is great for household and outdoor lighting such as camping, fishing, hunting, repair, search, execution, mountaineering and hiking, use as an emergency power source.
[Purchasing Warranty]: If for any reason you're not 100% SATISFIED with our products, please contact our customer service and we provides 100% high-quality and friendly service and 24-hour email response.

Rank No. #16

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; Battery Type: Lithium Ion. Compatible Devices those use BL-5C battery, widely used for radio, bt speaker, camera.
【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.
【After-sale service】The product has a warranty, for the details, please contact customer service. If you have any questions, contact us without hesitation. We'll try our best to solve the problem for you.

Rank No. #17

Retevis RT22 RT22S RT15 RT19 2 Way Radio Battery Original 3.7V 1000mAh Li-ion Battery 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. #18

YDL 3.7V 5000mAh 115659 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector

WARNING: The batteries connectors type are all JST PH2.0MM . —THE CONNECTORS ARE NOT UNIVERSAL! ! !— Please make sure that the CONNECTOR TYPE, POLARITY , and BATTERY SIZE match your device before purchasing. —If the POLARITY of the connector DOES NOT MATCH that of your device, it will DAMAGE the device or the new battery.—
Voltage: 3.7volt; Capacity: 5000mAh；Maximum Charge Voltage/Current: 4.25V/2500mAh; Material: Lithium Polymer.
Connector Type: PH 2.0mm；Size: 10 x 54 x 60mm / 0.39" x 2.13" x 2.36"(T*W*L); Cable Length: 5cm / 2"; Net Weight: 61g.
NOTE: The 3.7V 5000mAh 115659 Lithium Battery is NON-POWER BATTERY! ! ! It can not be used for power device that require high current such as UAV, mini RC Helicopter,RC small drones， Model aircraft , Electric toys, Power tools and other.
Application：Suitable for MP3/MP4, Bluetooth wireless headset,GPS, baby monitor, game boy, skybell ,smart watch,monitoring units, POS machine, dashcam, mobile power, Bluetooth speaker, VR glasses, beauty devices, pet tracker,ring video doorbell etc.

Rank No. #19

TESSGO Rechargeable Batteries, 3.7 Volt Battery Pre-Charged 3000mAh Long Lasting Button Top Batteries 2 Pack

【Applicable Device】 3.7V rechargeable battery, high performance and long lasting, can be used for LED Flashlight, Headlamps, Doorbells, Cameras, etc.
【Pre-Charged Battery】2-Pack, 3.7V 3000mAh, 2.6*0.7*0.7inch (This is Button Top Battery, please ensure the size before purchase!!!)
【Long-lasting Batteries】Can be recharged up to 1000 times, no memory effect, provide reliable power support for your daily use and emergencies.
Replacement 3.7V Battery for: 18J, Nitecore NL189, ZX850 Zithion-X, Streamlight 74175 / 22104 battery. Please check if the battery size is compatible with the device before purchasing the battery!

Rank No. #20

VIDAR 3.7V 6000mAh-22.2wh Rechargeable-Li-ion Battery - Premium 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.

Last update on 2023-07-29 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best 3.7v battery pack?

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

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 battery pack that you consider buying. Your questions might include the following:

Is it worth buying an 3.7v battery pack?
What benefits are there with buying an 3.7v battery pack?
What factors deserve consideration when shopping for an effective 3.7v battery pack?
Why is it crucial to invest in any 3.7v battery pack, much less the best one?
Which 3.7v battery pack are good in the current market?
Where can you find information like this about 3.7v battery pack?

We’re convinced that you likely have far more questions than just these regarding 3.7v battery pack, 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 battery pack, 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 battery pack. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 3.7v battery pack 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 battery pack 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 battery pack 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 battery pack?
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 battery pack.
Customer Ratings: Number ratings grade 3.7v battery pack objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3.7v battery pack.
Product Quality: You don’t always get what you pay for with an 3.7v battery pack, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an 3.7v battery pack is should be an indication of how long it will work out for you.

We always remember that maintaining 3.7v battery pack information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

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The Best 3.7v battery pack of 2023 – Reviewed and Top Rated

How Do You Buy The Best 3.7v battery pack?

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