| Manufacturer: | Efest |
| Size: | 18650 |
| Style: | Flat Top |
| Protected: | NO, UNPROTECTED. This cell is unprotected and intended for use in protected battery packs only and NOT individually or as a standalone product. In order to operate safely it must have additional protection in the form of a PCB (protection circuit board) or BMS (battery management system), which is not included. |
| Nominal Capacity: | 3500mAh |
| Discharge Current: | 10A Continuous, Rated 20A Max Pulse by Efest |
| Nominal Voltage: | 3.7V |
| Maximum Voltage: | 4.2V |
| Approximate Dimensions: | 18.25mm x 65.25mm |
| Approximate Weight: | 47g |