3.7V 400mAh LiPo Battery – Single Cell Rechargeable Power Pack for Embedded & Portable Devices
| Feature | Details |
|---|---|
| Battery Type | Lithium Polymer (LiPo) |
| Nominal Voltage | 3.7V DC |
| Capacity | 400mAh |
| Charging Voltage | 4.2V (max) |
| Discharge Cutoff Voltage | ~3.0V |
| Max Discharge Current | ~0.5A (continuous), ~1A (peak) |
| Connector Type | JST 2-pin / Bare wire leads (varies by model) |
| Protection Circuit | Optional (BMS for overcharge/discharge) |
| Dimensions | ~30mm x 20mm x 5mm |
| Weight | ~10g |
| Rechargeable | Yes |
| Cycle Life | ~300–500 charge cycles |
| Applications | Wearables, IoT devices, wireless modules, mini robots, STEM kits, embedded systems |
OVERVIEW
This 3.7V 400mAh LiPo battery is a lightweight, high-energy-density power source designed for compact electronics and low-power embedded systems. Its slim profile and rechargeable capability make it perfect for wearables, wireless sensors, IoT modules, and DIY robotics.
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