




| Model | 21700/40PL |
| Nominal Voltage | 3.6V |
| Nominal capacity | 4000mAh |
| Application scenario | Power tools, garden tools, electric two-wheelers, vacuum cleaners, sweeping robots |
| Standard charge | 2.0A constant current charge to 4.20±0.05V, constant voltage charge cutoff current 100mA |
| Fast charging | 8A constant current charge to 4.20±0.05V, constant voltage charge cutoff current 100mA |
| Standard discharge | 0.8A constant current discharge to 2.50V cutoff |
| Charge/discharge voltage range | 2.50V~4.20V |
| Battery weight | 67g |
| Battery Size | Height: 70.15±0.15mm, Diameter: 21.15±0.10mm |
| AC internal resistance | ≤5mΩ |
| Maximum continuous charging/discharging current | 8.0/70A |