GHU Battery 69Wh for Dell XPS L421X Ultrabook 4RXFK C1JKHThis 69Wh replacement battery powers Dell XPS L421X and XPS 14 Ultrabook laptops. It uses Grade A polymer cells for reliable performance and extended runtime between charges. The battery has been UL tested for safety and meets CE, FCC, and ROHS certification standards. Installation is straightforward with the included setup guidance. Ideal for users who need a dependable spare battery or replacement for their aging poundsProductdimensions2.0 x 0.7 x 8.0 inches