Skyrc q200 is a quad-channel charger with 4 independent circuits, which can charge four different kinds of batteries simultaneously. The charger adopts a 480ã?320 color lcd display, and paired channels (a&c or b&d) support power distribution in ac mode. Moreover, users could either connect it to pc or mobile device to further expand their using experience. Firmware upgrade is available via pc software interface. Input voltage ac100-240v / dc 11-18v Charge circuit power dc input: ch a/ch b: 100w ch c/ch d: 50w Ac input: ch a+ch c=100w ch b+ch d=100w; Ch a/ch b: 50-100w ch c/ch d: 0-50w Discharge circuit power 4 x 10w Charge current range ch a/ch b 0.1-10a Ch c/ch d 0.1-5a Discharge current range 0.1-2a x 4 Current drian for balancing port max 200ma/cell Trickle charging current 50ma-300ma & off Lipo/life/lilon/lihv battery cell count 1-6s Nimh/nicd battery cell count 1-15s Pb battery voltage 2-20v Dimension 197*182*71mm Net weight 1335g