Specifications: Voltage: 7.2V Capacity: 4000mAh Battery Type: Ni-MH Replacement Part: Hitachi: 325292, EB 7, EB 712S, EB 714S, EB 7B, EB 7G, EB 7M, EB 7S, FEB 7, FEB 7S Compatible Models: 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 Advantage: Uses the highest quality Ni-MH cells, excellent performance. Overcharge and overdischarge protection to increase the life of the battery. No memory effect, can be charged or discharged as needed without loss of capacity. Low self-discharge for maximum productivity and less downtime.