7.4v 4000mah 18650 li-ion rechargeable battery pack
Nominal voltage | 7.4V |
Nominal capacity | 4000mAh |
Size | length × width × high (mm) |
L40*W40*H70MM(with PCM) | |
Advantage |
High energy density Safety and reliable(with PCM) Long cycle life no memory Never explosion,stable performance,environment friendly capacity and size could be customized |
Weight | about 95g |
Max charge current | 0.5-1C |
Max discharge current | 1-2C |
Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH |
Discharging, -20°C~60°C ; 65±20%RH | |
Storage environment | -20°C~45°C |
65±20%RH | |
storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH; |
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CycleLife (80% Prime Capacity) : |
Over 500times |
Charging Attention |
Charging current and charging voltage should be less than specified in the Product Specification. |
The charger shall be designed to comply with Specification. | |
It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance. |
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Battery Cell | 18650 cell or other Brand 18650 cell |
PCB Safety Function |
Cell balancing,Over-discharge,Over current protection, Over-charge,Temperature protection,Secondary protection. |