Extended 3.0AH NI-MH 7.2V Battery for DEWALT DW9057 7.2 Volt Cordless Power Tool Battery Type: NI-MH, Battery Volt: 7.2V,7.2Volt, Battery Capacity: 3000mAh.3.0Ah Compatible Part Number: DEWALT DE9057, DE9085, DW9057 High Quality Battery for DEWALT Cordless Power Tool 1 year warranty Package Included: 1 x dewalt 7.2 Volt cordless drill battery