Futurebatt 42T5264 Laptop Battery for Lenovo IBM ThinkPad R400 T400 T61(WideScreen) R61 T61p R61i R61e 42T5265 42t5230 41U3196 41U3197 41U3198 42T4530 42T4531 42T4532 42T4552 42T4677 42T5225

hi this is Sarah Dubois with laptop battery express this 9-cell IB M battery is rated at 7800 milliamp hours or 87 watt hours and will give you about three to five 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 sells 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