AC Doctor INC 7800mAh 9-Cell Extended Battery for HP EliteBook 6930p 8440p 8440w HSTNN-IB68 HSTNN-IB69 HSTNN-UB68 Laptop

this HP six cell replacement battery is rated at 5200 milliamp hours and will give you about two to three hours of runtime depending on your energy use the mah or milliamp power rating indicates how long the battery will run on a charge so the higher the mah 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 Samsung offers the highest quality Power Cells on the market that meter exceed the quality of the brand-name batteries all batteries from laptop battery Express come with a 30 day money back gaurantee and a full 12 month warranty with the service life of about two to four years if your finding less expensive batteries on line please be aware that it is because they use cheap quality power cells inside the cartridge that can easily wear out in six months even if they ha