This battery only suitable for 812 HJ812 HJ820 RC Boats, don't use in RC Car or other device, their positive and negative poar is opposite.
SM-4P Plug, red cable is postive polar, black cable is negative polar, make sure your RC device positive polar is same line with this battery or not before using.
Discharge rate 10C, Charger rate 1C. USB charge cable Charge manual:red light is solid when charge, red light is off and green light solid..after full charged.
7.4V 700mAh 5.18Wh Li-ion battery suitable for RANFLY HJ812 RC Boat, 7.4V 700mAh battery suitable for DEERC HJ812 Remote control Boat, 7.4V 700mAh Li-ion rechargeable battery suitable for Jogpun H138 RC Boat.
7.4V 700mAh Lithium battery suitable for Honxunjie HJ811 HJ812 HJ820 Remote control RC Boat. 7.4V 700mAh Li-ion battery suitable for Fanfly 812 Remote control RC Boats. 7.4V 700mAh Li-ion battery Spare parts suitable for Wefone WF17 WF17-BU Remote Control Boat,
Package include 2 pack 7.4V 700mAh Lithium-ion battery and 2 charge cable. Real capacity range from 700mAh to 800mAh.