Reparo 90W 40Y7659 92P1109 AC Power Adapter Charger for IBM Lenovo ThinkPad T60 T61 X60 Z60 Z61 X61 R61 R60 X200 T400 T410 T420 T500 T510 417032U SL300 SL400

this 6-cell IBM replacement battery is ready to have 50 to 100 milli amp 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 month