The Dell Genuine WDX0R 42Wh Battery Laptop Battery is a high-quality replacement battery designed specifically for Dell laptops. It is compatible with various Dell Inspiron models and has a battery capacity of 42Wh, providing long-lasting power for your device. The black Li-Ion battery features a manufacturer warranty of 1 year and a voltage of 11.4V, making it a reliable choice for extended use. Made by Dell, the battery is a genuine product ensuring compatibility and optimal performance for your laptop.