Specifications of Battery: Voltage: 7.2V Capacity: 4000mAh Type: Ni-MH Specifications of Charger: Input voltage: 100-240V Input current: 0.8A Fit Voltage: 1.2-18V Output: 27V / 1.5A (1-7 cells) / 1A (8-15 cells) Type: Ni-MH Compatible Battery: Hitachi: 325292, EB 7, EB 712S, EB 714S, EB 7B, EB 7G, EB 7M, EB 7S, FEB 7, FEB 7S Applicable Machines: Hitachi: DN 10DAT, DN 10DSA, DN 10DVA, DN 6DM, DN 7DT, DN 7DV, DS 10DTB, DS 10DVB, DS 10DSA, DS 6DV, DS 7DF, DS 7DV, FDS 7DVA, NR 40G, NR 90GC, NR 90GC2, NR 90GR, NR 90GR2.