Vanka JST-XH 4S Connector Adapter Plug Battery Wire Balance Extension Cable for Li-Po Batteries (15cm/150mm, Pack of 10);

10 x 4S plug RC lipo battery balance charger For IMAX B6, Batter test or Many Helicopter Quadcopter Airplane Boat Car Controller
Length:150mm 15cm (approximate 6")
Lipo battery balance charger plug, with #22AWG wire for better conduction and carry higher current.
Must have item for custom make lipo battery

Package Included:
10 x 4S battery plug with #22AWG wire(which can carry higher current than #24/#26)
10 x 4S plug without wire for charger