PATONA Premium 18650 cell Li-Ion battery unprotected flattop 3.7V 3350mAh LG cells The PATONA Premium 18650 cell was developed to meet the ever-increasing demand for 18650 cells. More and more devices are using these very high-yield Li-Ion cells, which are also stable at high currents. The range of applications extends from e-cigarettes and power banks to flashlights and e-bike batteries. Capacity: 3350mAh Nominal voltage: 3.63V Charging end voltage: 4.2V ± 0.05V Discharging end voltage: 2.5V Max. Current output: 4875mA Max. Charging current: 1625mA Protection circuit PCB: not present Positive pole: flat (FlatTop) Diameter: 18.29 ± 0.11mm Height: 65.15mm Weight: Max. 49.0g Operating temperature: Charging 0-45°C, Discharging: -20-50°C Rechargeable: Yes Charging cycles: 300 Charging method: CC-CV