The Dell N3X1D Replacement Laptop Battery for E6540 is a high-performance 9-cell lithium-ion battery designed to deliver extended power for your Dell Latitude E6540 laptop. With a capacity of 97Wh and 11.1V output, it offers up to 8 hours of battery life, depending on usage. Featuring advanced charging technology with overcharge protection, this battery ensures safety and longevity. Its durable, lightweight design makes it easy to carry, while the battery's high-quality cells provide consistent, reliable performance. Perfect as a replacement or backup, it keeps your laptop running smoothly for work or travel.