Rechargeable 357090PT LIPO Battery Cell 3.7V 4000mAh with BMS and Solder Wire Actual Capacity 2272mAh
The 357090PT Rechargeable LiPo Battery Cell is designed to provide reliable power for portable electronic devices and battery-powered projects. Its lithium-polymer chemistry offers a lightweight, rechargeable energy storage solution suitable for applications where space and weight are important. The battery can be used in compatible electronic circuits, embedded systems, and portable equipment that require a rechargeable power source.
This battery comes with an integrated Battery Management System (BMS) and solder wires to simplify electrical integration. The BMS provides battery protection functions according to the specific protection circuit fitted to the pack. Before use, verify the battery’s charging requirements, discharge limits, wire polarity, and BMS ratings to ensure safe and compatible operation. Use a charger specifically designed for the battery’s lithium-polymer chemistry.
Features:
- Rechargeable lithium-polymer battery technology.
- Integrated Battery Management System for battery protection.
- Solder wires for convenient electrical connection
- Suitable for portable and space-conscious electronic designs.
- Supports repeated charging and discharging within specified operating limits.
- Can be integrated into compatible DIY and embedded electronic projects.
Specifications:
| Parameter | Value |
|---|---|
| Product Type | Rechargeable LiPo Battery Cell |
| Model | 357090PT |
| Battery Chemistry | Lithium Polymer (LiPo) |
| Nominal Voltage | 3.7V |
| Capacity | 4000mAh |
| Actual Capacity | 2272mAh |
| Discharge | 2.4V |
| Battery Management System | Included |
| Electrical Connection | Solder Wires |
| Rechargeable | Yes |


- Never expose Batteries to extreme temperatures or direct sunlight.
- Do not store Li-Po batteries in extreme temperatures below 0°C or above 50°C.
- Always disconnect Batteries when not in use and store batteries in a non-conductive and fireproof container.
- Never charge a battery that is still warm after usage, and never use a battery that is still warm from charging.
Applications:
- Portable electronic devices.
- Embedded systems and development projects.
- DIY battery-powered electronics.
- Rechargeable electronic equipment.
- Custom battery-powered circuits.
- Robotics and compatible IoT projects.
- Portable monitoring and control devices.
Package Includes:
- 1 × 357090PT Rechargeable LiPo Battery Cell, 3.7V 4000mAh.
- 1 × Integrated Battery Management System (BMS).







