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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Car battery charging current.
Given many of us won't be driving much for the moment, did wonder just how
hard an alternator charges a battery after a cold start. In amps - given virtually no car has an ammeter these days. I know you can buy clamp meters, but they're not accurate at low current on DC, so when I've needed to measure things on the car, just use a DVM, as 10 amps is enough for most. And don't want to buy one just for this. ;-) So assuming a good battery with enough charge to start the car. Voltage on charge 14.4v No other load than engine electrics. Obviously the charge current will taper down as the battery charges. -- *I believe five out of four people have trouble with fractions. * Dave Plowman London SW To e-mail, change noise into sound. |
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