The Best 3.7 V 800Mah Battery of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3.7 V 800Mah Battery of 2022. Check our ranking below.

2,019 (random num) Reviews Scanned

Rank No. #1

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.

SaleRank No. #2

TOPUSSE 3.7V 14500 Rechargeable Li-Ion Battery 800mAh Button Top Batteries for Headlamp, Flashlight

【Product Parameters】 Standard voltage: 3.7V, charging voltage: 3.7-4.2V, minimum discharge termination voltage: 2.75V, maximum charging termination voltage: 4.2V, battery size: 14 * 50mm.
【Multi-Application】 Compatible with versatile devices, such as headlamps, flashlights, doorbells,small fans,remote controls, alarm clock,toys,etc.
【Real High Capacity 800mAh】 Easy to charge, supporting a stable 3.7V output voltage, the device operates more stably and has a longer battery life, making it an ideal alternative to batteries for frequently used devices
【 Precautions 】This is a Button Top size: 14 * 50mm rechargeable battery. Please confirm the battery size and type before purchasing. Do not put the battery in water or fire, and keep it out of reach of children.
【 Warm Service 】: All products have passed strict testing and can be used normally. If you have any questions, please feel free to contact us and we will reply to your email as soon as possible

Rank No. #3

AODTOSIP 2 Pack 3.7V 800mah Li-ion Battery SM 2P Plug with USB Chargers, SM-2P Plug RC Rechargeable Battery for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck Toy Cars

What You Get:2 x 800mAh 3.7V Li-ion Batteries, 2 x 3.7V USB Battery Charger.SM-2P connector, 3.7v RC car lithium 800mah battery, size for 14*51 mm.
3.7v li-ion rechargeable battery sm 2p plug USB Charger cable built-in over-charged protection board, it displays a red light when the battery is charged and a green light when fully charged.
3.7V 800mAh 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.
SM-2P Plug RC rechargeable battery with long cycle life. Our 3.7v rechargeable RC batteries are available use at anytime. The uniquely designed will recycle at least 300 times.
3.7V Li-ion rechargeable battery suitable for some small senstor Transform Stunt Car. 3.7V 800mAh battery suitable for some stunt Car. 3.7v 800mah battery suitable for some Remote Control Gesture Sensor Stunt Car. Please make sure the battery size, voltage and plug match your device before place the order.

Rank No. #4

NP-40 Battery Charger, Digital Camera Battery Charger with NP-40 3.7V 800mAh Li-ion Rechargeable Battery

1x battery charger + 1x NP-40 800mAh battery kit
Digital camera battery charger: Input: DC 5V-1A, Output: DC 4.2V-400mA, USB-C Charging Port; LED indicator to show that red light: power charging, green light: fully charged
1 Piece NP-40 3.7V 800mAh rechargeable battery for replacement quickly
Comes with a 3.3ft/1m USB A to C charging cable, you can charge the battery through a PC laptop, a power adapter, a power bank, USB socket, etc
Suitable for camcorder 3051, DC305X camera, and other cameras (NP-40 battery powered)

Rank No. #5

Liter energybattery 3.7V Lipo Battery 800mAh Rechargeable Lithium ion Polymer Battery 503048 Lithium Polymer ion Battery with JST Connector

Voltage: 3.7V; Typical capacity: 800mAh, Min capacity: 750mAh; Material: Lithium Polymer; Connector Type: 2P PH2.0mm Pitch; Size: 48*30*5mm (WxLxH)
Reliable Performance: No leak, high cost performance and long service life. PCM protection function: overload protection, short circuit protection, over temperature protection.
Application: Suitable for portable DVD players, bluetooth devices wireless devices, dash cam, bark collar for dog, keyboard and mouse, wearable electronic devices, PDA and digital cameras, GPS, monitoring units, notebook computers, e-books, telematics, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors, Wi-Fi enabled smart home systems.
Storage: Keep the battery at 40-60% charge during long storage. We recommend charging the battery every 3 months after receipt, keeping the voltage at 3.7-4.0V, and storing it in a cool, dry place.
Guarantee: Please contact us if you have any questions or concerns with the product via Amazon message. We will respond to you within 24 hours.

Rank No. #6

JESSPOW 4 Pack Rechargeable Battery 14500 3.7V 800mAh Li-ion, Rechargeable Batteries for Flashlight, Toys etc.

Product Dimensions: NOT AA or AAA batteries, please confirm the battery voltage and battery model carefully before purchase 50*14*14 mm(1.97*0.55*0.55 inch). NOTE: These are 3.7v rechargeable 14500 batteries,
High Performance: 800mAh 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 14500 rechargeable 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 flashlights, headlamps, small fans, remote controls, toys, keyboards, mouse, etc. It's super convenient for home use and outdoor use. NOTE: Please fully charge the products before use
Long Lasting Power: Our Rechargeable battery adopts high energy aggregation technology that will last 5 times longer in high drain devices.

Rank No. #7

5pcs 3.7v 800mAh Lithium Battery with 5-in-1 Charger for Syma X5C X5C-1 X5 X5SC X5SW H5C V931 S5C S5W SS40 FQ36 T32 T5W H42 CW4 UAV 2.4G RC Quadcopter Spare Battery

---The battery is compatible with Syma X5C X5C-1 X5 X5SC X5SW H5C V931 S5C S5W SS40 FQ36 T32 T5W H42 CW4 drone, high quality and durable
--- The battery capacity is 800mAh, which can provide more battery life and fully experience the flying fun brought by drones
---The package includes 5PCS battery and 1PCS 5-in-1 charger, which can charge 5 batteries at the same time, and get 5 fully charged batteries at once
---The battery weight is about 17g, small and exquisite, easy to carry; size:40X25X8mm, can be well equipped with the drone battery card slot.
---100% brand new, high quality, high quality and durable, the best choice for drone battery backup, highly recommended accessories

Rank No. #8

HXJNLDC DC 3.7V 800mAh 603040 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product

This battery is applicable to electronic products with DIY 3.7-5V less than 2.96Wh 800mAh.（★Not suitable for power tools and model aircraft）
Please carefully compare the polarity of the connector before use,★the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
603040 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 800mAh, power 2.96Wh, ★size 6×30×40.5mm(0.236×1.181×1.596inch）(T*W*L), Weight:16g(0.564oz)，Maximum current:0.8A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit.
It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch1.25mm ★2 wire connector module.
If there are any quality issues within a year,★ please feel free to contact us via email for replacement.

Rank No. #9

Qimoo 752248 3.7V Lipo Battery 800mAh 752248 Rechargeable Lithium Polymer Battery Pack with JST PH2.0mm Connector for Electronic Device

[Note]- 3.7v lipo battery connector type is JST PH2.0MM !!!! - Please make sure the connector type and battery size match your device before purchase.
[Connector Specifications]-3.7v battery Connector Type: PH 2.0mm;; Cable Length: 5cm / 2"; Please check the battery polarity before installation, if the connector polarity is not matched with your device, it will damage the device or new battery.
[Battery Specifications] - 752248 li-ion battery size: 7.5 x 22 x 48mm/0.3" x 0.87" x 1.89"(H*W*L), Voltage: 3.7 volts, Maximum Charging Voltage 4.25v; Capacity: 800mAh; Material: Lithium Polymer. Net weight: 15g.
[Applications]- 3.7v lithiun Polymer battery is suitable for MP3/MP4, Bluetooth wireless headset, GPS, baby monitor, game console, skype, smart watch, surveillance device, POS, car recorder, mobile power, Bluetooth speaker, VR glasses, beauty device, pet tracker, ring visual doorbell, etc.
Please use the battery correctly: 3.7v lithium batteries can not be used for high-current power devices, such as drones, miniature remote control helicopters, model airplanes, electric toys, etc.

SaleRank No. #10

Svenirven 14500 Battery, 2 Pack 800mAh AA Size Rechargeable Lithium Battery Pack 14500/800mAh/3.7V

Product size:50*14*14 mm(1.97*0.55*0.55 inch

Last update on 2025-03-29 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 3.7 V 800Mah Battery?

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Brand Value: Every brand of 3.7 V 800Mah 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.
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Specifications: How powerful they are can be measured.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3.7 V 800Mah Battery.
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The Best 3.7 V 800Mah Battery of 2022 – Reviewed and Top Rated

How Do You Buy The Best 3.7 V 800Mah Battery?

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