Thanks a lotThe currently fitted battery will probably have a rating label on it; and/or your owners Handbook probably advises.
Previously listed data lists the Factory fitted battery being : 90Ah with 912 CCA (dimensions 173x306x200(h))
Unipart list three options for the MK 1 Captiva.Have look at this link :-http://www.unipartautomotive.co.uk/electrical/Batteries/Chevrolet/Captiva/all/2.0/2009/Parts.aspx
The above information is in previous discussions on the Forum. The Search (back index) found the following link:
Anyone had trouble trying to find an equivalent battery to the factory fitted one.... My battery went flat last sunday, our fault left tail gate open for hours whilst loading to go to the tip... anyway, I know for that to run it flat, chances are the battery was not holding a charge in the...www.chevroletownersclub.co.uk
Just be aware that there are differences between Series 1 and Series 2 with height being important. To high will foul with the bonnet.