That's low. I presume it's a dry cell? Nominal lead acid for most of charge/discharge cycle should be 13.2V (2.2V per cell). When new('ish) at full charge you should see around 13.8V fully charged... HTH
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly '11 MINI Countryman Cooper D All4 '90 LR 90 SW
