DJW 47Wh MU06 MU09 Laptop Battery for HP Compaq Presario CQ57 CQ56 CQ32 CQ62 CQ42 CQ43,COMPAQ 435 436 Notebook PC,593553-001 593554-001

hi this is Sarah - voice with laptop battery express this 9 sell HP battery is rated at 7800 milliamp hours or 87 watt hours and will give you about 3 to 5 hours of runtime depending on your energy use the mah or milliamp hour and the W HR or watt hour indicates how long a battery will run on a charge the higher the milliamp hour and watt hour number the longer the battery will run all of our batteries are brand new with Samsung Power Cells a Texas Instruments computer chip and are never used or refurbished if you're finding less expensive batteries on line please be aware that it's because they use cheap quality power cells inside the cartridge that can easily wear out in six months our batteries typically have a service life of three to five years all batteries from laptop battery Express come with a 30 day money back gaurantee and a full 12 month warranty all of our batteries shipped