The unit runs well and has reasonable performance on Win 7.  The detailed specifications are shown on the numerous screenshots of the SPECCY (system information app) reports.

However, it will need to be on AC power whenever it's in use.  The battery will NOT charge.  The battery pack had two dead cells which I replaced and it did have the correct voltage after the cell replacement.  However, I was unable to get it to charge after that despite trying numerous hints/suggestions found on the Internet.  You may have better luck, or there are replacement battery packs available for purchase, or you can just use like I did, plugged in all the time.

 Also, note the POWER-ON-TIME data item in the hard drive report - 218 days.  It is the original hard drive and 218 days is very little usage for a machine built in 2010.