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The Best 3.7V 400Mah Battery of 2025 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3.7V 400Mah Battery of 2025. Check our ranking below.

2,587 Reviews Scanned

Rank No. #1
Qimoo 802030 3.7V Lipo Battery 400mAh 802030 Rechargeable Lithium Polymer Battery Pack with JST PH2.0mm Connector for Electronic Device
Qimoo 802030 3.7V Lipo Battery 400mAh 802030 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] - 802030 li-ion battery size: 8 x 20 x 30mm / 0.31" x 0.79" x 1.18"(H*W*L), Voltage: 3.7 volts, Maximum Charging Voltage 4.25v; Capacity: 400mAh; Material: Lithium Polymer. Net weight: 8g.
  • [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.
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Rank No. #2
Fytoo 5PCS 3.7V 400mAh Lithium Battery with 5 in 1 Charger for SYMA Q11 H99W H31 H6C H98 AT-96 TR-C385 TR-P51 TR-F22 Quadcopter Spare Parts Aircraft Model Drone Battery (Black)
Fytoo 5PCS 3.7V 400mAh Lithium Battery with 5 in 1 Charger for SYMA Q11 H99W H31 H6C H98 AT-96 TR-C385 TR-P51 TR-F22 Quadcopter Spare Parts Aircraft Model Drone Battery (Black)
  • For H99W H31 H6C H98 AT-96 TR-C385 TR-P51 TR-F22 SYMA Q11 quadcopter
  • Can charging 5 batteries at one time, over charge protection, short circuit protection.
  • Charging indication: when the charging cable is connected to the power supply and accessed to charge the battery, the red charging indicator light is always on, and when the battery is fully charged, the red light is off.
  • Good product with superior material, which is more durable & practical, and not easy to damage. Built-in protection mechanism ensures safe charging and use.
  • Package Content: 5PCS 3.7V 400mAh lithium battery with 5 in 1 charger
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SaleRank No. #3
MOONZON 5PCS 3.7V 400mAh Lithium Battery with 5-in-1 Charger for Syma Q11 H99W JJRC H31 H6C H98 TR-C385 TR-F22 TR-P51 Quadcopter Spare Parts Aircraft Model Drone
MOONZON 5PCS 3.7V 400mAh Lithium Battery with 5-in-1 Charger for Syma Q11 H99W JJRC H31 H6C H98 TR-C385 TR-F22 TR-P51 Quadcopter Spare Parts Aircraft Model Drone
  • Individual product weight: 9g; Package weight: 60g; Product Size: 8x20x36mm.
  • Batteries are exact replacement for Syma Q11 H99W JJRC H31 H6C H98 TR-C385 TR-F22 TR-P51 drone.
  • Multifunctional chagrer: the charger is with over charge protection, short circuit protection. It will protect batteries from the damage. Thus,the lifetime of batteries will be longer.
  • Well-designed appearance and new package: if you want to buy a gift for your relative, friend or yourself, it is a good choice.
  • Package Content: 5PCS 3.7V 400mAh Lithium Battery & 5-IN-1 Charger.
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Rank No. #4
Crazepony 3.7V 400mAh Lipo Battery 5-Pack Lipo Battery with 5-in-1 Battery Charger for Syma H99W H31 H6C H98 TR-C385 TR-P51 TR-F22 Quadcopter
Crazepony 3.7V 400mAh Lipo Battery 5-Pack Lipo Battery with 5-in-1 Battery Charger for Syma H99W H31 H6C H98 TR-C385 TR-P51 TR-F22 Quadcopter
  • [Battery Specification] - Nominal voltage is 3.7V, full voltage is 4.18-4.25V, charging current is 0.5-1A. The battery connector of this drone battery is XH2.54 connector. The size of this 3.7v battery is 4*2*0.8cm/1.57 * 0.78 * 0.31 inches, weight :17.6g/0.04lb
  • [Perfect Compatibility] - Specially designed for H99W, H31, H6C, H98, TR-C385, TR-P51, TR-F22 RC quadcopter drones. Precise connector and size ensure easy plug-in and stable connection, no loose or poor contact issues. (NOTE: Please make sure your device battery size and connector are the same as the picture before purchasing, only voltage, size, plug of the 3.7V lithium batteries match is suitable)
  • [3.7V 400mAh Rechargeable Lipo Battery] - Built with high-quality lithium polymer cells, 3.7V 400mAh capacity provides reliable power output and longer flight time for your mini drone. Lightweight and durable structure will not affect flight balance and performance
  • [Safe & Stable Performance] - Built-in integrated protection module to prevent over-charge, over-discharge, over-current and short circuit. Stable voltage output ensures safer flights and extends battery service life for frequent use
  • [Convenient 5-in-1 Fast Charger] - Comes with a compact 5-in-1 charger that allows charging up to 5 batteries simultaneously. Simple operation, LED indicator shows charging status, saving your time and improving efficiency. You can charge with a power bank, a car power source, or a computer. The charger cable works with most, but not all, 3.7v batteries. Check the printing limits on the chargers of different toys so that the numbers match the chargers that come with the toys
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Last update on 2025-07-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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We provide an 3.7V 400Mah 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 400Mah Battery currently available on the market.

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  1. Brand Value: Every brand of 3.7V 400Mah 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 400Mah Battery?
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  4. Product Value: This simply is how much bang for the buck you get from your 3.7V 400Mah Battery.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3.7V 400Mah Battery.
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