Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA Lithium Battery Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 HJ812 RC Boat Battery / UDI001 USB 2

About this item

• Do not fit other device besides HJ808 UDI008 UDI001 RC Boat. 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.
• 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 Charger Cable with SM-4P 4 pin Plug for Old Version UDIRC UDI001 UDI008 RC Boat
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