I have a newish Focus 1.6 which is fitted with a Motorcraft Calcium battery. I was wondering if it is possible to charge this with a regular battery charger, as I've heard that this may damage Ca batteries, is this true ?
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Calcium batteries don't like being overcharged. Some older battery chargers are not well regulated (basically they're just a transformer and a bridge rectifier), so I would invest in a new one with accurate voltage regulation. The Gunson's 'Gold' is not bad for the money. I've had one for about 5 years and used it to charge all manner of batteries of varies cars and had no problems. It never goes over 14.5V.
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