STP S4 XT30/XT60 Parallel Balance Charging Board (2-6S)A perfect charge board to keep all those micro batteries in tip top shape. Charge and balance up to 6 batteries at the same time with this XT30 XT60 Parallel Balance Charging Board. Compatible with 2 6s LiPo batteries. Has slots for five XT 30 batteries charging at 2 6S and one slot for an XT 60 at 3 4S. Specifications Material: Acrylic board Dimension: 60*100*20MM Weight: 75g Output Plugs 5 x XT 30 at 2 6S 5 x XT 60 at 3 6S MAX XT 60 Single Port