Replacement Laptop Battery for HP Pavilion DV4, DV5, DV6 Series, 4800mAh 6-Cell Li-ion Non-OEM Samsung Manufactured Cell Battery 10.8V 4800mAh 6 Cell Compatible Battery: HSTNN-IB79,HSTNN-Q34C,HSTNN-C51C, HSTNN-C52C, HSTNN-C53C, HSTNN-W48C, HSTNN-W49C, HSTNN-W50C, HSTNN-DB72, HSTNN-IB72, HSTNN-UB73 high performance replacement batteries for your laptop. Battery is 100% compatible with your laptop. The battery is designed to meet or exceed the original battery of your laptop.