Discharge current range:0.1~1.0A; Charge current range:0.1~6.0A; Current Drain for Balancing Li Po:300m Ah/cell; Ni Cd/ Ni MH battery cell count:1~15cells; PB Battery Voltage:2 to 20V ; Operation Voltage Range:10.0~18.0V; Max. Charge Power:50W ; Max. Discharge Power:5W ; Li-Ion/ Polymer Cell Count:1~6 Series