Stallman'd IBM T2x and interesting battery.

[deschek]

Anyone have idea what could it be?

http://level.tersite.net/sudamerica/Sal ... hisimo.jpg

Moderator edit: Please no pictures >50KB or without warning in subject line. As for the answers, the laptop appears to be a T20, T21 or T22; as to the battery, probably a universal laptop battery.

[frankiepankie]

I think that it is something like this:

http://www.sarrio.com/sarrio/12voltlaptop.html

An external battery pack for your laptop.