Bavvo 8-Cell Battery Compatible with Gateway AS07B31 AS07B32 AS07B41 AS07B42 AS07B51 AS07B52 AS07B71 AS07B72 ASO7B31 ASO7B32 ASO7B41 ASO7B42 ASO7B51 ASO7B52 ASO7B71 ASO7B72 BT.00803.02 BT.00603.042

this 8-cell acer replacement battery is rated at 5,200 milliamp hours and will give you about two to three hours of runtime depending on your energy use the mah or milliamp hour 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 they're never used or refurbished Samsung offers the highest quality power cells on the market that meet or 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 you're 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