This Brand New Dell WN979 Battery uses premium quality lithium-ion rechargeable cells that provide higher performance and last longer. It is tested before shipment and backed by full ONE year warranty. This battery uses state of the art components and certified by CE and RoHS standard.
To make sure you select the correct Dell battery, please check your laptop model or battery's part number is WN979, also compare your original battery with our photos in the product details page.