The Dell Latitude E6400 Laptop Battery is a reliable 6-cell lithium-ion battery designed for the Dell Latitude E6400 laptop. With a 56Wh capacity and 10.8V output, it provides up to 6 hours of usage, depending on your activities. Featuring smart charge technology and built-in protections against overcharging and short circuits, this lightweight battery ensures safe and efficient operation. Ideal as a replacement, it keeps your laptop running smoothly for work or travel with long-lasting power.