7.4V battery charging cable with SM-3PIN plug fit for various equipment batteries also have sm3p plug,including RC cars, trucks, boats, airplanes, helicopters, gliders, and other remote control toys
7.4V USB Charger cable have Circuit Protection, built-in overload protection, over-voltage protection and over charged protection board, it will stop charge after full charged
7.4V SM-3P plug USB charging cable have Indicator light;Red light up,Green light flash when charging,Red light and Green light all up when fully charged
Package include: 2 pcs 7.4V USB Charger Cable with SM3P plug for replacement and backup;1 piece Storage box for cable