Battery comes with JST-XH Balancer Plug INSTALLED and Thunder Power Adapter INCLUDED!!!

EM30c 3700mAh 30C up to 111A/167A burst EM3700 2S (7.4V) Rating: 30/45C Norm/Max Discharge Output: 7.4V Nominal, 3700mAh Dimensions/wt: 6 1/4" x 1 3/4" x 5/8", 7.6 oz. 165mm x 45mm x 15mm, 215g EM3700 3S (11.1V) Rating: 30/45C Norm/Max Discharge Output: 11.1V Nominal, 3700mAh Dimensions/wt: 6 1/4" x 1 3/4" x 7/8", 11.3 oz. 165mm x 45mm x 22mm, 320g EM3700 4S (14.8V) Rating: 30/45C Norm/Max Discharge Output: 14.8V Nominal, 3700mAh Dimensions/wt: 6 1/4" x 1 3/4" x 1 1/8", 14.1 oz. 165mm x 45mm x 30mm, 400g EM3700 5S (18.5V) Rating: 30/45C Norm/Max Discharge Output: 18.5V Nominal, 3700mAh Dimensions/wt: 6 1/4" x 1 3/4" x 1 1/2", 18.2 oz. 165mm x 45mm x 37mm, 515g EM3700 6S (22.2V) Rating: 30/45C Norm/Max Discharge Output: 22.2V Nominal, 3700mAh Dimensions/wt: 6 1/4" x 1 3/4" x 1 3/4", 21.2 oz. 165mm x 45mm x 45mm, 600g