Feature: Balance Chargers:Parallel charging board For lipo balance charger,Such as Imax B6 B8 B6AC,UNA6,and other balance chargers which also lets you charge and balance up to six lipo batteries at the same time. Super Strong Expansion Ability: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). High Quality ＡMASS Input Plug:Plugs right into most popular models of 6S lipo balancing chargers that have 7-pin balance ports with 2.5mm pin spacing Support Max Six 2-6S Battery Sets:Features t-plugs for your batteries' main leads and JST-XH balance plugs ranging from 2S to 6S Prevent Short Circuit：40A Fuse on Top which can protect the charging batteries when short circuit happens. Product description: It can protect the charging battery when short circuit happens 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). It has 20Z thick copper foil. So it can withstand continual current of 60A It can prevent each cell overcharge, so it can improve the balance efficiency. And the later period of the balance charging cycle is shorted substantially. It consumes only 1/6 of the time when charging six batteries separately consumes. So it can save the total charging time. It avoids the troubles of replacing batteries repeatedly.