NatureBoy Posted May 23, 2016 Report Share Posted May 23, 2016 One of my 12 volt 17 amp batteries sides have bulged when use at weekend.Is it Knackered/dangerous? Second 1 it's happened to.Charge em on optimate smart chargers i use on my bikes.Never had any probs with them.Would it be jus wear and tare as they are lugged round the fields and used every week? Cheers, NB Quote Link to comment Share on other sites More sharing options...
Cranfield Posted May 23, 2016 Report Share Posted May 23, 2016 I have never had a 12v 17amp battery "bulge", some of mine are close to 20 years old, get regular use and still hold a good charge. If I was you, I would dispose of it and buy another one , I always buy Yuasa. Quote Link to comment Share on other sites More sharing options...
deny essex Posted May 23, 2016 Report Share Posted May 23, 2016 Too heavy a charge rate is possibly the cause but the battery does sound knacked . Quote Link to comment Share on other sites More sharing options...
JDog Posted May 23, 2016 Report Share Posted May 23, 2016 All of mine without exception have bulged when I have left them charging for too long. The charger is not a trickle feed one and despite leaving myself notes all over the place as a reminder it happens regularly. In my experience the batteries which have bulged hold slightly less charge once they have become distorted. Quote Link to comment Share on other sites More sharing options...
Cosd Posted May 23, 2016 Report Share Posted May 23, 2016 Sounds a little dodgy to me!! I've never had a battery bulging, and wouldn't want one in the house if it did. I use a slow charger on mine, usually takes overnight to charge but it stops charging automatically. Quote Link to comment Share on other sites More sharing options...
arjimlad Posted May 23, 2016 Report Share Posted May 23, 2016 I sometimes put the charger on a timeswitch so that it turns off after the required charge time. Then I have 24 hours to remember to unplug it ! Quote Link to comment Share on other sites More sharing options...
NatureBoy Posted May 23, 2016 Author Report Share Posted May 23, 2016 Maybe one of my smart chargers is playing up then.Run 4 on my bikes 24/7 for years and never had a problem. Should work the battery like it's being used once charged and optimates supposed to be brill. Battery is a power sonic and felt sure it haden't bulged when i put it on the magnet. Left the last one that done it outside and the lads that broke in to my van and shooting truck took it. NB Quote Link to comment Share on other sites More sharing options...
steve w Posted June 1, 2016 Report Share Posted June 1, 2016 I am sure somebody on the wildfowler forum had one blow and gave him nasty burn while on charge .buy a new one if it was me Quote Link to comment Share on other sites More sharing options...
PADDY G 88 Posted June 1, 2016 Report Share Posted June 1, 2016 Sounds like its swelled I would discard it I use a deben lithium 24 amp battery light weight reliable and I use it 3 to 4 outings running the rotary. Best thing about it you don't no you are carrying it. Expensive but worth the money took me ages to part with the money but it was worth it in the end. Quote Link to comment Share on other sites More sharing options...
danfick Posted June 2, 2016 Report Share Posted June 2, 2016 For 12v batteries buy golf battery chargers. They have a trickle function so you can leave them on 24/7 and they won't bulge unless the battery is damaged and air gets inside Quote Link to comment Share on other sites More sharing options...
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