Amazon.com: GHU Premium 60Wh Battery 8858X Compatible with Dell Latitude E6430 Battery, Reusable for More Than 500 Cycles, UL CE FCC Tested, Battery for Dell Latitude E5530, Dell Laptop Battery T54FJ :
9 Cell Battery For Dell Latitude E6540 E6530 E6440 E6430 E6420 312-1163 NHXVW US | eBay
External Laptop Battery Charger for Dell Latitude E6420 E6430 E6520, T – direct-charging