Charger, Li-Polymer/Li-Ion Dimensions L x W x H: 107 x 67 x 37 mm Input voltage: 90...264 V ac, 47...63 Hz Chargeable cells: 7 Li-ion cells Connection, primary side: Exchangeable Mains Plugs / 2-Pin C8 Inlet Connection, secondary side: Cable, 1.8 m with pole Reversing Coupling Battery voltage: 25.9 V