Amazon.com: GHU Premium 58Wh Battery for Dell E6400, E6500, E6510, M4400: UL Tested, Over 500 Recharge Cycles, Fast Charging, Long-Lasting Over 3 Hours - Compatible with Dell Latitude E6500, E6510, M4400 Battery :
NEW Dell Latitude E6400 E6410 60Wh 11.1V Laptop Battery ND8CG W1193 | eBay
Dell Latitude E6400 Battery Removal and Installation
Dell Latitude E6400 battery,high-grade replacement Dell Latitude E6400 laptop battery from Malaysia(6600mAh,9 cells)
External Laptop Battery Charger for Dell Latitude E6400 E6500, PT434 P – direct-charging
Battery For Dell Latitude E6400 E6410 E6500 Precision M4400 PT436 PT437 KY265 - Walmart.com
dell Latitude E6400 Battery | Lazada PH
Amazon.com: GHU Premium 87Wh Battery Compatible with Dell Latitude E6500, E6510, Dell E6400, M4400, E6500 Battery, Dell Laptop Battery PT434 - Lasts More Than 5 Hours, Reusable for 500 Cycles, Passed UL