Originally Posted by Hogweed

i got ripped buying a used AGM once so i sprung for a hand held tester and it has really come up huge for me. i went to see a 'new' old stock' red top optima that was showing 12.4 v but the CA and CCA were both at about 20% of what they should be (1000 CA was 225 and 850 CCA was 171)

also invested in a C-tek charger that has a reconditioning function and that has rejuventated a few that seemed to be going away on me