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post #1 of 12 (permalink) Old 19-01-2020, 16:23 Thread Starter
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Leisure battery blues

Hi All
Just bought 2002 elddis autoquest 300. Took it out for a spin the other evening and whilst shooting in it using 3 spotlights on leisure battery for approx 1.5 hours the light's went out and leisure battery was flat. Should it last longer than this or do I require a new leisure battery. Any advice welcome please.
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post #2 of 12 (permalink) Old 19-01-2020, 16:30
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Tee hee.
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post #3 of 12 (permalink) Old 19-01-2020, 17:49
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You can´t be in the UK surely.

I'm Jan
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post #4 of 12 (permalink) Old 19-01-2020, 18:08
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hi and welcome

i am just wandering what sort of shooting you was up to need 3 spotlights on in the van (hunting or filming)


what size battery, solar panel and had it been on hookup to keep the battery charged

also spot lights will drain a battery pretty quick so what sort of spotlights were they

barry

Last edited by powerplus; 19-01-2020 at 18:10.
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post #5 of 12 (permalink) Old 20-01-2020, 10:34 Thread Starter
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Hi Barry haha shooting should spell sitting lol. We had grandchildren with us they wanted a ride in moho. Just eating some fish and chips parked up outside chippy. The little spots below high up cupboards. Not on hookup at time.
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post #6 of 12 (permalink) Old 20-01-2020, 10:43
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Ah. Then your battery should have lasted a lot longer than that.
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post #7 of 12 (permalink) Old 20-01-2020, 10:50
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You do not say what the state of the battery was prior to taking it out for a spin. Perhaps the first thing to do is fully charge the battery on EHU making sure it is 12.7v on completion of charge 30 minutes or so after the charger is switched off.
Then switch the three spotlight on and monitor the battery voltage at 30 minute intervals over 5 hours or more.

It is likely that the spot lights are 10W halogen so that is 30W at 12v giving a current of approx 3A. I would expect a fully charge 100AH battery to last 20 hours or so at that rate.

Last edited by rayc; 20-01-2020 at 11:12.
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post #8 of 12 (permalink) Old 20-01-2020, 11:52 Thread Starter
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Rayc
The battery was showing nearly 13v on the gauge on panel but literally drained to zero within 1.5hrs. I gave the van a good 40Mile run when I picked it up and gauge was showing good. But am I right in thinking that a proper charge should be done on ehu. Or maybe the battery requires renewing.
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post #9 of 12 (permalink) Old 20-01-2020, 12:42
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Quote:
Originally Posted by Kevinmamdy1324 View Post
Rayc
Or maybe the battery requires renewing.
You will not know unless you test it as I described [ or of course use a battery tester] . Volts is not everything, the 13v was without a load. It is how it performs with a load that matters. Some alternator based charging systems prioritise the starter battery with only a maintenance charge to the leisure battery. It can take many, many miles of driving to replace 80AH or more.

Last edited by rayc; 20-01-2020 at 12:44.
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post #10 of 12 (permalink) Old 21-01-2020, 22:37
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It does seem that your leisure battery may well be past its “best before” date! But you do need to carry out the tests suggested above first.

It is WELL worth the effort to replace all of your halogen lights with LED’s, they use vastly less power.

Andy

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It's who you share the journey with (even if like me, it’s in a caravan!)
I am very fortunate to have Mrs Plodd to share mine with
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