TP3850mAh Pro Power up to 116A/231A burst TP3850 2S (7.4V) Rating: 30/60C Norm/Max Discharge Output: 7.4V Nominal, 3850mAh Dimensions/wt: 5 3/4" x 1 3/4" x 5/8", 7.6 oz. 145mm x 43mm x 16mm, 215g TP3850 3S (11.1V) Rating: 30/60C Norm/Max Discharge Output: 11.1V Nominal, 3850mAh Dimensions/wt: 5 3/4" x 1 3/4" x 7/8", 10.95 oz. 145mm x 43mm x 23mm, 310g TP3850 4S (14.8V) Rating: 30/60C Norm/Max Discharge Output: 14.8V Nominal, 3850mAh Dimensions/wt: 5 3/4" x 1 3/4" x 1 1/4", 14.1 oz. 145mm x 43mm x 32mm, 400g TP3850 5S (18.5V) Rating: 30/60C Norm/Max Discharge Output: 18.5V Nominal, 3850mAh Dimensions/wt: 5 3/4" x 1 3/4" x 1 1/2", 17.65 oz. 145mm x 43mm x 38mm, 500g TP3850 6S (22.2V) Rating: 30/60C Norm/Max Discharge Output: 22.2V Nominal, 3850mAh Dimensions/wt: 5 3/4" x 1 3/4" x 1 3/4", 21 oz. 145mm x 43mm x 45mm, 595g