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Subject Topic: Bone Dry Battery!! Post Reply Post New Topic
12/3/2006 at 3:53pm
 Location: Nottingham
 Outfit: Hyundai i30 se and Bailey Ranger 460 2
View kinza123's Profile View Profile   Reply to kinza123 Reply   Quote kinza123 Quote  
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Hi. We're new to caravanning, and still learning so bear with me and don't laugh.

We checked the Leisure Battery today and it is bone dry.  We have had the van plugged into the mains , but don't know if the battery is now beyond saving.

Is it worth buying a charger, topping the battery up with distilled water, and trying to keep this battery going, or should we buy a new one?

Our van has 4 internal lights running off 12v, and it seems like the central heating blowers work only with the battery too, so although we will always camp with EHU we need a decent battery.

The local battery shop sells 110amp batteries for £55, so we would like to be sure before we spend that amount of money.

Thanks for any advice.



12/3/2006 at 4:14pm
 Location: Sunny Luton & Wigtownshire
 Outfit: Talbot Excalibur or Tent or VW T2
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It would need topping up with a mixture 35% sulphuric acid/65% distilled water if its bone dry.

I very much doubt you would be able to revive it. If is boiled dry though over charging the plates would be distorted.



-------------
Bob.

Chiltern Vehicle Preservation Group
Luton Festival of Transport
in aid of local charities 12th June 2011


12/3/2006 at 4:38pm
 Location: Bristol
 Outfit: Lunar Conquest 544 a
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Sounds like you need a new battery to me .

atb

Wizard



12/3/2006 at 4:49pm
 Location: Zoetermeer Holland
 Outfit: Chateau 430 Nice
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> Our van has 4 internal lights running off 12v, and it seems like the central heating blowers work only with the battery too, so although we will always camp with EHU we need a decent battery.

The local battery shop sells 110amp batteries for £55, so we would like to be sure before we spend that amount of money. <

As long as there is an adapter/transformer in between all 12V equipment should work on mains. No battery needed. Apparently the battery is used as or instead of transformer in this case. If you dont want a battery, adapt the installation.

If you don't use the battery, but only use it to run 12 V equipment wilst on EHU, don't take a heavy one. It's money and kilogrammes. If you insist on using a battery for this purpose (in order not to change the installation), a 65 A battery would suffice, plus this one would be much lighter.
A 85 Amps battery would be in between. Adequate capacity for non-ehu use (lighting plus waterpump, no TV), just in case, and by far ot as heavy as a 110Amps battery.

If you want to be off-EHU for a longer time, than choose a heavier battery, if not, choose a lighter one, or adapt your installation.

I must say, it feels rather comfortable to know, that I don't need EHU for some time. In Sweden on one campsite the EHU-area was unpleasantly crowded, so I chose for the wood-area without EHU. Great pitch for 5 days, just using the battery (in my case 65 Amps plus solar, light car, light battery).

-------------
WL



12/3/2006 at 6:26pm
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If you try putting distilled water in the battery at a cost of £2.00 and try it what have you got to lose if it doesnt work.


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12/3/2006 at 6:30pm
 Location: Gloucester
 Outfit: Coleman Bispace 400
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If you do require a new battery, I have found Bristol Battery Co quite well priced and helpful.  Not sure if they send out as I live local and picked mine up.

Call them on 0117 9550536

 



12/3/2006 at 6:55pm
 Location: Doncaster
 Outfit: Abbey Aventurer 325
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towsure have good cheap leisure batteries, £29.50 for 85amp one.

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13/3/2006 at 8:33pm
 Location: Nottingham
 Outfit: Hyundai i30 se and Bailey Ranger 460 2
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Thanks everyone for your help, I topped up the battery and charged it with 6 amps overnight, took it off charge and let it stand for 6 hours, tested it with a multimeter and it is reading 13v !, is that good? have i saved it?


13/3/2006 at 8:37pm
 Location: Worcestershire
 Outfit: Ranger 620 6 Isuzu Trooper 3.1TD
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The problems will show when under load, it may show 13V, but when running your lights etc it could flatten very quickly

Personally if it was dry, would buy a new one to be safe

 



13/3/2006 at 8:46pm
 Location: Lancashire
 Outfit: Caravan now Sold
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hi you should leave it 12 hours before checking after a charge[:o)]

-------------
the only silly question is the one you do not ask.


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14/3/2006 at 9:19pm
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 Outfit: 
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Good Luck I think it will perish but lets hope not - next time keep an eye on it!


14/3/2006 at 9:32pm
 Location: south wales
 Outfit: range rover vogue elddis odysey 634
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hi if i were you i would take it to your local garage

and ask them to do a drop or load test this will

tell you if you have saved it or not

regards

andy



19/3/2006 at 2:42pm
 Location: None Entered
 Outfit: None Entered
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Why don't you load test it yourself? give it a full charge, connect a 12v light and see how long it lasts. It may be worth keeping as a spare for non EHU sites.

We use a Mercedes 814 commercial starter battery as a leisure battery and have a 75aH battery as a spare. once the 814 battery is dead, swap over to the 75aH, then 2 days later it's time to go home.


30/3/2006 at 10:16am
 Location: Nottingham
 Outfit: Hyundai i30 se and Bailey Ranger 460 2
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Thank you all  looks like i managed to save it, it is still reading 13.52v after nearly three weeks.

Kinza



31/3/2006 at 12:48am
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Well done Kinsa123 that is indeed a good result - hope you have learned your lesson and now look after it. Just keep it topped up with leccy when not out in the van and make sure the plates are covered with liquid if you are leaving it for a long time take it off the van as it will slowly discharge leading to reverse polarity. Then definitely say goodbye to your battery.



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