Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2
SM-4P Connector Plug, Only in RC Boat Battery which use same SM-4P plug. When put in plug convex side on above,flat side on below., first and third pin is positive, second and forth pin is negative. please make sure your battery is same. don't reversed..
USB charger cable built-in over-charged IC circuit protection,Red ligth is solid when charging, change to green light solid after full charged. 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDIRC UDI001 UDI008 RC Boat.
7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Altair AA102 Big size Red RC Boat and Altair MidSize AA Wave RC Remote Control Boat Yellow colour,.
7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for batttery fit for DEERC 2008 RC Boat Remote Control Boat with LED Light and HONGXUNJIE HJ808 Red and Blue 2.4Ghz RC Boat.
7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug fit for Cheerwing Venom Black orange RC Boat Remote Control Boat battery..