Fancy Buying 6 Cells for IBM/Lenovo 42T4533 42T4652 43R2499 ThinkPad R400 T400 ThinkPad Widescreen R61i T61p ThinkPad Widescreen 14.1" R61 R61i T61 IBM-Lenovo 33++ 42T4531 Notebook/Laptop Battery

hi this is Sarah G voice with laptop battery express this six 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 W HR 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 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 batterie