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

EM25c 2600mAh 25C up to 65A/104A burst EM2600 2S (7.4V) Rating: 25/40C Norm/Max Discharge Output: 7.4V Nominal, 2600mAh Dimensions/wt: 5 3/8" x 1 3/4" x 1/2", 4.9 oz. 135mm x 43mm x 12mm, 140g EM2600 3S (11.1V) Rating: 25/40C Norm/Max Discharge Output: 11.1V Nominal, 2600mAh Dimensions/wt: 5 3/8" x 1 3/4" x 3/4", 7.2 oz. 135mm x 43mm x 17mm, 205g EM2600 4S (14.8V) Rating: 25/40C Norm/Max Discharge Output: 14.8V Nominal, 2600mAh Dimensions/wt: 5 3/8" x 1 3/4" x 1", 9.35 oz. 135mm x 43mm x 23mm, 265g EM2600 5S (18.5V) Rating: 25/40C Norm/Max Discharge Output: 18.5V Nominal, 2600mAh Dimensions/wt: 5 3/8" x 1 3/4" x 1 1/8", 11.6 oz. 135mm x 43mm x 28mm, 330g EM2600 6S (22.2V) Rating: 25/40C Norm/Max Discharge Output: 22.2V Nominal, 2600mAh Dimensions/wt: 5 3/8" x 1 3/4" x 1 3/8", 13.8 oz. 135mm x 43mm x 34mm, 390g