18650 Li-ion Rechargeable Battery – 2000 mAh
This 18650-format rechargeable lithium-ion cell is listed by the CMS supplier as a 3.7 V, 2000 mAh battery. The supplier reference identifies this as a generic/copy version, so capacity and performance may vary from original branded cells.
Specifications
| Cell format | 18650 cylindrical |
|---|---|
| Nominal voltage | 3.7 V |
| Rated capacity | 2000 mAh (supplier listed) |
| Rechargeable | Yes |
| Dimensions | Approx. 18 mm diameter × 67 mm length |
| Charging method | CC-CV |
Applications
- Portable electronics and backup power
- DIY battery packs and power banks
- Electronics and robotics projects
Safety: Use a suitable Li-ion charger and protection circuit. Do not short-circuit, puncture, crush, overcharge or deeply discharge the cell. Verify actual capacity and discharge rating before high-current use.

