Dell Original Battery for Latitude E5420, E5430, E5520, E5530 E6120, E6420, E6430, E6520 compatible with batteries: T54FJ, HCJWT, M5Y0X, NHXVW, PRRRF, T54F3, X57F1, 312-1163, 312-1242 11.1 V, 60 WhNum..