8 Cell HP Pavilion DV7-1245DX 14.8V 5200mAh LiIon Laptop Battery. All of our quality replacement batteries, adapters and lamps are built with precision using the best components and parts available. All of our products are carefully tested by our QC department before it is packaged and shipped. Our products are guaranteed to be 100% compatible with the original equipment and all products meet the OEM requirements. All our products are backed by our standard warranty.