RBR/C 7.4V 1800MAH 10C 2S Lipo Battery JST/SM Plug For RC Car Boat Vehicle Model Parts Description: Battery pack model: 18650 7.4v 1800mAh Battery pack technical parameters (specifically can be designed according to customer requirements-voltage / capacity / size / line) Single battery model: 18650Single battery voltage: 3.7v Single battery capacity: 1800mAh (full capacity) Battery combination: two strings in parallel Combination battery voltage: 7.4v Combined battery capacity: 1800mAh Finished product internal resistance: ≤250mΩ Protection board: IC-S8254AAG MOS-AO4409 * 2 Over discharge protection voltage: 6.0v Overcharge protection voltage: 8.4v Battery pack power: 24.42Wh Battery pack size: 19 × 37 × 68 mm (± 0.5) Large discharge current:> 4A Instantaneous discharge current:> 10A Large charging current:> 4A Weight: Charge and discharge times:> 500 times Standard charging: continuous current 0.5C, charging time about 3 hours Standard discharge: continuous current 0.2C, discharge time about 5 hours Fast charging: continuous current 1C, charging time about 1.5 hours Note: Suitable for 7.4v rc car or boat. Package included: 1x battery