About this item ⠷.4V 2000mAh Lipo Battery Banana Connecdtor Fit for Promark P70 RC Quadcopter Drone,fit for Syma X8HC X8HW X8HG X8C X8W X8G HQ899 RC Drone Quadcopter,Fit for Vivitar Aero View DRC446 drone DRC-446 and Holy HS400 HS300 Promark P70 VR and Warrior Drone Quadcopter ⠂attery Volts:7.4V;Capacity: 2000mah,Discharger Plug:Round Banana Plug connector.Please make sure your toy use the same plug ⠓ize: L94.5*W34*H17.6mm(????).Weight:128G,Fit for RC Aircraft and RC Buggy ⠐ackage include 2 x 7.4V 2000mAh 2S Lipo rechargeable battery with banana plug,1 x USB charger cable and 1 x 3 in 1 charging line(Drone not included) ⠷.4V 2S USB charging cable have IC protection circuit and Indicator light.When the USB charging cable is connected to a powered power source, indicator light turns up red. In the charging state, the indicator light blinks green at a constant speed. When battery is fully charged, the indicator light turns green.3 in 1 charging line can charge 2 battery together then can save more time