Cell Info Repository
KeepPower KP 21700 (4Ah)
Overview
| Manufacturer | KeepPower |
| Model | KP 21700 |
| Case | Cylindrical 21700 |
| Cathode Active Material | Unknown |
| Cycle Life | 500 cycles |
| Mass | 69 g |
| Height | 70.5 mm |
| Diameter | 21.8 mm |
Electrical Properties
| Rated Capacity | 4 Ah |
| Nominal Voltage | 3.7 V |
| Upper Voltage Limit | 4.2 V |
| Lower Voltage Limit | 2.75 V |
| Discharging Current | 0.8 A |
| Maximum Continuous Discharging Current | 4 A |
| Charging Current | 0.96 A |
| Maximum Continuous Charging Current | 2 A |
Derived Values
| Energy | 14.8 Wh |
| Specific Energy | 214.5 Wh/kg |
| Volume | 0.026 L |
| Energy Density | 562.4 Wh/L |
| Max. Continuous Discharge Rate | 1 C |
| Max. Continuous Charge Rate | 0.5 C |