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battery drains overnight
#1
I got a 1.9d 2002 all was fine til 3 days ago. every morning since the battery has been dead. I've checked all electrics are off and battery is reading 12.6 off and 14.4 running. After a bump start this morning I drove 22 miles to work then it started fine 9 hours later leaving but it's dead in morning. any help please guys. don't really know what I'm looking for i read on line to test battery with multi meter. 
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#2
When the vans running the air bag light flashes all the time. Could this be a cause.
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#3
Change the battery 12.6 is no good you need 13v in a good battery and that 0.4v makes a difference. Also do a BSI reset.
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#4
I thought 12.6 would be OK,mine read that from new,never has been 13v?.might read 13v after a run but goes down to 12.6 v after surface charge has drained off
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#5
Battery condition isn't all about voltage, cranking amps matter. It's time for a new battery and be sure to fully charge it on the bench before fitting, although the manufacturers say they are pre-charged it will make a big difference to its performance and life.
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#6
Yeah and make sure its at least 75amps more amps the better
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#7
This battery is only about 2 years old. I have a brand new battery i will try tonight but i think it's something g draining the battery when the van is off. is ithat even possible for something to drain it while off.
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#8
You can try disconnecting battery overnight, if it doesn't drain, you have your answer.
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#9
May be Radio?,I've heard sometimes its the altanator draining when stood,
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#10
Does the alternator feel warm to the touch when the car has been stood overnight ? My neighbour had a problem with his Focus, not a Berlingo but it was the alternator draining power and it got hot doing it. 12.6v is enough in a battery to start the car but when it starts to go below 12.4 the battery is shot.
So where does this bit go then ?
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