Futurebatt Laptop Battery for Lenovo/ IBM Thinkpad R60 R60E R61 R61E R61I T60 T60P T61 T61P Z60 Z61 Z61p R500 T500 W500 SL500 SL400 SL300 40Y6799 42T4621

hi this is sarah dubois with laptop battery express this 6 cell ibm 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 instruments 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 shi