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Does anyone have issues with Calcium batteries? I bought 2 not far apart a couple of years ago. Got them from the AA, after my last AA battery lasted 11 years. Now they seem to lose charge really fast - both my cars have failed to start this week. Lockdown and not driving? maybe, but when we've been away in the past for 6 weeks at least one car goes on the button... The first time it happened I tried to charge the battery with my usual 12V charger - didn't work. Called out the AA thinking I had a dead cell, but he tested it, boosted it and it worked. That's when I found out that calcium batteries need a specific type of charger. $250 later, I can now charge the batteries.... I'm not impressed with them, and I'd like to get them replaced before the warranty runs out - but the AA do a battery test and say it's fine. I have only EVER needed to charge a battery on either car (E36 and Honda CRV) after a long period away - a couple of months. Now I'm doing it at least monthly. BTW - both cars charging systems checked out OK. Can anyone throw light on this?
