The Dell Latitude E5280 battery is a reliable 4-cell, 42Wh lithium-ion power source designed for extended use. With a voltage of 7.6V and support for ExpressCharge technology, it offers up to 7-10 hours of battery life, depending on usage. Built for durability, this lightweight battery is compatible with the Dell Latitude E5280 laptop and features overcharge and discharge protection to ensure long-lasting performance. It is CE and UL certified, making it a safe and efficient choice for powering your device.