The 3.7V 350mAh Li-Po battery (551624) is a small, lightweight rechargeable cell for compact devices. Its flat shape (about 5.5 × 16 × 24 mm) fits into wearables, Bluetooth gadgets, mini drones and small ESP32 or XIAO projects.
| Type | Lithium polymer (Li-Po), rechargeable |
|---|---|
| Model size | 551624 (approx. 5.5 × 16 × 24 mm) |
| Nominal voltage | 3.7V |
| Full charge voltage | 4.2V |
| Capacity | 350 mAh |
What is the operating voltage?
3.7V.
How should I charge it?
Use a TP4056 module or a 4.2V Li-Po charger; never short or puncture the cell.
Can I buy the 350mAh 3.7V Li-Po Battery in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.
