RC Charger Wattage Calculator Required Charger Wattage - RC Charger Wattage Calculator Battery Cells in Series 1S (3.7v) 2s (7.4v) 3S (11.1v) 4S (14.8v) 5S (18.5) 6S (22.2v) 7S (25.9v) 8S (29.6v) 9S (33.3v) 10S (37.0v) 11S (40.7v) 12S (44.4v) Battery Capacity (mAh) Charge Rate in terms of "C" 1C 2C 3C 4C 5C 6C 7C 8C Number of Battery Packs One Two Three Four Five Six Seven Eight Enter the battery capacity in mAh Select other Parameters and then click Calculate! Max Charge Rate due to Power Supply Wattage Power Supply Max Wattage (W) Battery Cells in Series 1S (3.7v) 2s (7.4v) 3S (11.1v) 4S (14.8v) 5S (18.5) 6S (22.2v) 7S (25.9v) 8S (29.6v) 9S (33.3v) 10S (37.0v )11S (40.7v) 12S (44.4v) Battery Capacity (mAh) Number of Battery Packs One Two Three Four Five Six Seven Eight Enter the battery capacity in mAh and Charger Wattage in watts. Select other Paramaters and then click Calculate!