Specifications of Battery: Voltage: 18V Capacity: 4000mAh Type: Ni-MH Gross weight: 880g Specifications of Charger: Input voltage: 100-240V Input current: 0.8A Fit Voltage: 1.2-18V Output: 27V/1.5A (1-7cell)/1A(8-15cell) Type: Ni-MH Compatible Battery: Black & Decker: 244760-00, A1718, A18, HPB18, HPB18-OPE Firestorm: A18, FS180BX, FS18BX, FS18FL, FSB18 Applicable Machines: Black & Decker: BD18PSK, BDGL1800, BDGL18K-2, CD182K-2, CD18SFRK, CD18SK-2, CDC180AK, CDC180ASB, CDC18GK2, EPC182K2, EPC186BK, EPC188BK, EPC188CBK, EPC18CABK, EPC18CAK, EPC18K2, FS188F4, GCO18SFB, GCL2500, HP188F2B. HP188F3B, HP188F3K, HP188F4BK, HPD1800, HPD18K-2, HPG1800, HPG18K-2, NHT518, NPP2018, NPT3118, NS118, NST1810, NST2018, NTS2118, PS182KB, PS18K2, SS18, XTC183BK, XTC18BK Firestorm: FS1800CS, FX1800D, FS1800D.