BW&reg; 2-6S Lipo XT60-Plug Parallel Balanced Charging Plate Charging Board for Imax B6 / B6AC / B8 Convenient to charge and balance up to six lithium batteries at the same time when used with a balance charger. The charging time is significantly reduced since all batteries are balanced at the same time instead of balancing batteries one by one. Features XT-60 for your batteries main leads and JST-XH balance plugs ranging from 2S to 6S. Prevent each cell when overcharge or short circuit happens This product is used for simultaneously charging multiple lithium batteries(including LiPo, LiFe, and Li-ion types) in parallel.