9-Cell 97Whr Battery for Latitude E5420, E5430, E5520, E5530, E6420, E6420 XFR, E6430, E6430 ATG, E6520, E6530 Part Number: 312-1325 Type: 71R31 Latitude E5420, E5430, E5520, E5520, E5530, E6420, E6420 XFR Battery Compatible Part Numbers: PRV1Y, 312-1165, M5Y0X, 2P2MJ, 71R31, 312-1325 9-Cell Primary Battery Litium-Ion Technology