Futurebatt Laptop Battery Compatible Acer Aspire 2930 4230 4310 4520 4710 4720Z 4730 4732 4732Z 4920 5334 5535 5541 5734Z 5735 5735Z 5738 5740, fits P/N AS07A31 AS07A41 AS07A51 AS07A71 AS07A75

hi this is sarah dubois with laptop battery express this 6l gateway battery is rated at 5200 milliamp hours or 58 watt hours and will give you about two to three hours of runtime depending on your energy use the mah or milliamp hour and the whr 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 instrument's computer chip and are never used or refurbished if you're finding less expensive batteries online 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 guarantee and a full 12 month warranty all of our batteries sh