Amazon.com: DTK 0M7T5F N5YH9 VV0NF New Laptop Battery Replacement for DELL Latitude E5440 E5540 Notebook 9-Cell 11.1V 6600MAH : Electronics
9 Cell Dell Latitude E5440 E5540 Battery
Laptop Battery For DELL Latitude E5440 E5540 VV0NF Compatible 0CXF66 CXF66 0WGCW6 WGCW6 0NVWGM NVWGM 0M7T5F M7T5F 11.1V 65Wh mAh 6-Cell New - Linda parts
NEW Genuine Dell Laptop Battery N5YH9 97WH 9-Cell 11.1V for Dell Latitude E5440 E5540 Y6KM7 N5YH9 0K8HC 0M7T5F NVWGM - Newegg.com