![18650 3.7V 3200mAh Flat Top Rechargeable Lithium-Ion Battery [Original – OselTech]](https://www.itechbuilders.com/assets/images/product/18650-3200mah-1.webp)
![18650 3.7V 3200mAh Flat Top Rechargeable Lithium-Ion Battery [Original – OselTech]](https://www.itechbuilders.com/assets/images/_thumbs/800/product/18650-3200mah-1.webp?v=1791267767)
The 18650 3.7V 3200mAh rechargeable lithium-ion cell gives high capacity in the standard 18650 size. It is a flat-top cell, so it is meant for battery packs (spot welding or nickel strip) and spring holders that support flat-top cells. Use it to power robots, ESP32 projects, power banks and DIY battery packs.
| Type | 18650 Li-ion, rechargeable |
|---|---|
| Nominal voltage | 3.7V |
| Full charge voltage | 4.2V |
| Capacity | 3200 mAh |
| Top | Flat top |
| Size | approx. 18 mm × 65 mm |
What is the operating voltage?
3.7V.
How do I charge it?
Use a Li-ion charger or TP4056 module (4.2V CC/CV). Do not overcharge or short-circuit.
What is flat top?
The positive end has no button; some holders need a button-top cell, so check your holder.
Can I buy the 18650 3.7V 3200mAh Li-ion Battery in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.
