BW&reg; 2S-6S Parallel Charging Board Balance / Charging Plate for Lipo Battery with T Plug Imax B6 B6AC B8 Parallel charging board For lipo balance charger,Such as Imax B6 B8 B6AC,UNA6,and other balance chargers This parallel charging board lets you charge and balance up to six lipo batteries at the same time. It can protect the charging battery when short circuit happens Plugs right into most popular models of 6S lipo balancing chargers that have 7-pin balance ports with 2.5mm pin spacing It can support combined use for three parallel charging boards( it means you can charge eighteen batteries which have the same characters at the same time).