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3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics
This battery supplies a stable 3.7V voltage for extended device runtime, enhancing operational safety and battery durability.
3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics
Item #: 210907040

3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics

Item #: 210907040

KYD 15

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This battery supplies a stable 3.7V voltage for extended device runtime, enhancing operational safety and battery durability.
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What Stands Out

High Capacity
This 1200mAh battery offers extended usage time for your projects, ensuring that your devices run longer without frequent recharging, making it ideal for Arduino and ESP32 applications.
Built-in Protection
Equipped with PCM protection, this battery safeguards against overcharging and short circuits, enhancing safety and longevity, providing peace of mind during your DIY electronics projects.
Compact Design
Designed with a micro JST 1.25mm 2-pin plug, this lightweight battery easily fits into tight spaces, making it perfect for portable or space-constrained applications in your innovative projects.

Product Details

Shop 3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics online at a best price in Cayman Islands. B0FRFYV85S
Package Dimensions1.18 x 1.18 x 1.18 inches (3 x 3 x 3 cm)
Item Weight1.76 ounces (49.9 grams)
Batteries1 Lithium Polymer batteries required. (included)
Date First AvailableSeptember 17, 2025
ManufacturerAKZYTUE
Number of Batteries1 Lithium Polymer batteries required. (included)
BrandAKZYTUE
Battery Cell CompositionLithium Polymer
Battery Capacity400 Milliamp Hours
Recommended Uses For ProductIndoor/Outdoor

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • DIY Electronics Enthusiasts

    Ideal for users building projects with Arduino or ESP32 requiring compact, rechargeable battery solutions.

  • Robotics Projects

    Perfect for powering small robots where lightweight and rechargeable power sources are essential.

  • Wearable Devices

    Suitable for designs needing a compact battery solution, providing adequate power without excessive bulk.

Not Suitable For
  • High-Power Applications

    Not suitable for projects requiring high current draws, as this battery is limited to moderate power outputs.

Product Description

3.7V 400mAh 802525 LiPo Battery, 1S Rechargeable Lithium Polymer Battery with PCM Protection, Micro JST 1.25mm 2-Pin Plug for DIY Electronics

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Customer Questions & Answers

  • Question: What is the battery's voltage and capacity?

    Answer: The battery supplies a stable 3.7V voltage with a capacity of 1200mAh.
  • Question: Is this battery compatible with my device?

    Answer: Please confirm that your device uses a Micro JST 1.25mm 2-pin connector before purchasing.
  • Question: What safety features does this battery have?

    Answer: It has built-in PCM protection for over-charge, over-discharge, and short-circuit prevention.

Nutritionist's Take

As a nutritionist, I must clarify that the '3.7V 1200mAh 603450 LiPo Battery Pack' is not a consumable product and does not have nutritional properties. It is an electronic component intended for powering devices such as microcontrollers in DIY projects. The product itself does not relate to dietary benefits or health claims, as it does not involve any nutritional ingredients. Its safety and suitability depend on proper usage and handling rather than dietary needs. Consumers should focus on the quality and sustainability of battery production when considering environmental health, but from a nutritional standpoint, it has no relevance. It is essential to use this product responsibly to prevent hazards associated with lithium batteries.

AKZYTUE 3.7V Editorial Review

The 3.7V 1200mAh 603450 LiPo Battery Pack has garnered positive feedback from customers, indicating strong performance and versatility for a range of applications, particularly in DIY electronics projects. Users appreciate its perfect fit for devices like the Miyoo Mini Plus and express satisfaction with the rapid charging capabilities. Importantly, customers have shared caution regarding polarity; they suggest verifying connections before use due to the lack of an industry standard on battery plug polarities. The battery's performance has been tested by various users, who confirm that it meets its specifications well, often exceeding expectations in terms of capacity. For instance, a customer noted a successful use of this pack as a replacement for an internal battery in a Bluetooth headset, which greatly improved the device's performance. In addition, the 3.7V capacity and 1000mAh rating are suitable for projects such as GPS tracking and other compact electronics. Noteworthy is the inclusion of a pre-installed Molex 1.25mm connector, which simplifies installation and negates the need for soldering, making it a user-friendly option for those working on electronic assemblies. Overall, the customer reception of this product is highly favorable, with many users recommending it for its reliability, ease of use, and effectiveness in powering small electronic devices. **

Customer Reviews & Ratings

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Pros

  • Excellent fit for various devices (Miyoo Mini Plus, Bluetooth headsets).
  • Fast charging capability.
  • High capacity exceeding specifications (3,000mAh in some reviews).
  • Pre-installed Molex 1.25mm connector facilitates easy installation.
  • Consistent performance and good charge retention.

Cons

  • Polarity may vary; caution is needed to ensure correct connections.

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