This Brand New HP Presario CQ40-101AU 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 HP battery, please check your laptop model or battery's part number is Presario CQ40-101AU, also compare your original battery with our photos in the product details page.