Blomiky
Blomiky 2 Pack 7.4V (2 x 3.7V) 600mAh Li-ion Battery with SM-4P Plug for Old Version UDI008 UD08 UDI001 Venom Speed RC Boat UDI001 Battery 2
SM-4P 4 pin Connector Plug, When battery plug convex side on above, flat side below, first and third pin is positive, second and forth pin is negative. make sure your battery is same. or see image 2. USB charger cable built-in over-charged IC circuit protection,Red ligth is solid when charging, chan...
$21.99