Get longer battery life and improved laptop performance with a new Dell Latitude E5440 and E5540 battery.

This battery is compatible with the Dell Latitude E5440 and E5540 laptop models as well as the models and part numbers are listed below. If you're looking for even longer battery life check out our 9 cell Dell E5440 battery.

We use the highest quality lithium-ion battery cells that charge faster and last longer than cheaper, lower quality batteries. Cheap batteries can wear in less than 100 recharge cycles. Our batteries can last for up to 500 recharge cycles.

All our Latitude E5330 and E5540 batteries carry a full 2 Year warranty and every battery is inspected and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied.