Samsung INR 21700 40T 4000mAh high drain Battery with 40A current for ebike electric tool and scooter
Product Description
Product Description
| Item of Efan battery | Condition/Note | Specification |
| 21700 40T 4000mAh battery | Nominal Capacity | 4000mAh |
| Norminal Voltage | 3.7V | |
| Standard charge | constant current | 0.2C |
| constant voltage | 4.2V | |
| end current(cut off) | 100mA | |
| IMR battery fast charge | constant current | 1C |
| constant voltage | 4.2V | |
| end current(cut off) | 100mA | |
| Standard discharge | constant current | 30A |
| end voltage(cut off) | 2.5V | |
| Fast discharge | end voltage(cut off) | 2.5v |
| Maximum discharge Current | pulse current | 35A |
| 3.7V 18650 battery weight | approximate | 70g |
| Operating temperature | charge | 0-45 °C |
| discharge | -10-65 °C | |
| Storage temperature | 1 month | -10-45 °C |
| 6 months | -10-35 °C | |
| 1 year | -10-30 °C | |
| Efan battery dimention (Diameter & Height) | D21.0±0.2mm | |
| H69.85±0.2mm | ||
