Replacement notebook battery for DELL Latitude E5220 E5420 E5420m E5430 E5520 E5520m E6420 E6420n E6430 E6520 E6520n 9-cell Replaces 312-1325 312-1443 M5Y0X 312-1165 2P2MJ WT5WP M1Y7N 16J-B2GC-A00 312-1163 312-1164 Specs Lithium Ion 10.8V 8400mAh