The Dell PW23Y Laptop Battery is a reliable replacement power source designed for select Dell XPS 13 and Precision 5520 laptops. With a capacity of 60Wh and a voltage of 7.6V, this 4-cell Lithium-Ion battery delivers long-lasting performance, providing up to 6-8 hours of runtime depending on usage. Built for durability, it supports over 500 charge cycles and features advanced safety mechanisms like overcharge, over-discharge, and short circuit protection. Lightweight and slim, the PW23Y is CE, FCC, and RoHS certified, making it an excellent choice for ensuring uninterrupted productivity on the go.