IBM 92P1011 Battery are made from a grade cells and highest quality parts, the IBM laptop battery are tailored made according to the original size, whether the battery appearance, size and quality are the same as with the original. Every laptop battery should be under strict quality control including filtration and safety testing of voltage,capacity and battery core before leaving the factory, and has passed the authentication of CE, UL, EMC, CQC,ROHS, etc.
Really easy to install, just take out your existing battery and click this one into place.Wish the battery lasted a little longer on the 4-cell, but it isn't the end of the world, just bring a backup if you are going to be away from an outlet for a while.
The battery works perfectly and extended the life of my laptop to 2.5 hours (and currently still going...)

