1.NiMH rechargeable batteries. 2.voltage: 8.4V capacity: 1100mAh 3.apply for soft ... rc toys, such as gun, helicopter, and rc car, .2:rechargeable nimh battery,3:working voltage: 8.4V4:ending voltage: 7 ... 1ABattery picture:Different pvc colorBattery with chargerCharger picture NiMh RC batteries 8.4V 1100mAh for soft gun