We have a collection of articles that explains how
to test and charge your batteries.
If you have a UBA4 or UBA5 then take a look here for some interesting
ways that you can extend its usefullness.
If you have a UBA4 or UBA5 then you can find more reference
material here that will help you get the most from it.
Information about the latest version of the UBA4 or UBA5 software is here.
UBAI, UBAII, and UBAIII support can be found here.