High Performance Lithium Ion Main Battery Pack for Dell XPS 15 (L502X) OEM Part # equivalent: 08PGNG, 0J70W7, 0JWPHF, 0R4CN5, 312-1123, 8PGNG, 991T2021F, 999T2128F, AHA63226267, AHA63226268, AHA63226270, AHA63226276, AHA63226277, J70W7, JWPHF, P09E, P09E001, P09E002, P11F, P11F001, P12G, P12G001, R4CN5 |