Operating Voltage Range: DC 11 - 18V Circuit Power: Max. Charge Power 50W, Max. Dscharge Power 5W Charge Current Range: 0.1 - 5A Discharge Current Range: 0.1 - 1A Current drain for balancing Li-po: 300mAh/ cell NiCd/ NiMH battery cell count: 1 - 15 Cells Li-ion/ Polymer Cell Count: 1 - 6 Series Pb Battery Voltage: 2 - 20V Dimensions: 117mm x 85.5mm x 30mm Packet Includes: Multifuctional Connector