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7.4V polymer lithium battery Product model: XL 7.4V 4000mAh
 7.4V polymer lithium battery technical parameters (specifically can be designed according to customer requirements-voltage/capacity/size/line)
 
 Single battery model: 8571145
 · Single battery voltage: 3.7V
 · Nominal voltage after the battery pack is assembled: 7.4V
 · Single battery capacity: 4000mAh
 · Battery combination: 2 strings and 1 parallel
 · Battery voltage range after combination: 6.0V~8.4V
 · Battery capacity after combination: 4000mAh
 · Battery pack power: 29.6W
 · Battery pack size: 8.5*71.5*148mm
 · Maximum discharge current: <4A
 · Instantaneous discharge current: 8A~12A
 · Maximum charging current: 0.2-0.5C
 · Charge and discharge times: >500 times
 · Main chip: (Seiko, TI)
 
 7.4V polymer lithium battery
 · Comply with relevant national standards and requirements for batteries
 · All finished battery products have been calibrated and tested before leaving the factory. They can be used directly and normally