Allytech 10Pcs 5S RC Lipo Battery Balance Extension Charger Plug Cable For RC Helicopter 10 Pack RC lipo battery balance charger plug 5s 11.1v x10 For IMAX B6 or Batter test Length:150mm 15cm (approximate 6 inch) A great device which makes plugging or un-plugging your lipo balance charge lead much safer and more convenient Must have item for custom make lipo battery