TP2250mAh Pro Power up to 68A/135A burst TP2250 2S (7.4V) Rating: 30/60C Norm/Max Discharge Output: 7.4V Nominal, 2250mAh Dimensions/wt: 4" x 1 3/8" x 5/8", 4.4 oz. 100mm x 35mm x 16mm, 125g TP2250 3S (11.1V) Rating: 30/60C Norm/Max Discharge Output: 11.1V Nominal, 2250mAh Dimensions/wt: 4" x 1 3/8" x 1", 6.36 oz. 100mm x 35mm x 25mm, 180g TP2250 4S (14.8V) Rating: 30/60C Norm/Max Discharge Output: 14.8V Nominal, 2250mAh Dimensions/wt: 4" x 1 3/8" x 1 1/4", 8.3 oz. 100mm x 35mm x 32mm, 235g