Replaces OEM # VG93N, WFWKK, 0WFWKK, X0TVD, 451-BBZH, 451-BBXY, NY5PG Fits: DELL PRECISION 3520, PRECISION 15 3530, LATITUDE 5580, LATITUDE 5591 Specs: 11.4V, 92WHR, 8070MAH, 6 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety