[Shop-talk] battery exploded ???

[Thomas Coradeschi]

I will politely, partially, disagree on this one. 

If you have a battery maintainer on it (and how could you not?), you might need to buy a new one. Take a look at the specs for the one you have. I’ve used standard Battery Tender branded devices on all the stuff I have that sits (generator, 24/7/365 and motorcycle, during the winter months) for many years, with no issues. 

In terms of charging the battery from the generator while it’s running, you will be just fine.

—
Tom Coradeschi
tjcora at icloud.com


> On 08 Oct 2023, at 12:07 AM, Jack Brooks <JIBrooks at live.com> wrote:
> 
> I agree with the use of AGM's, but there should be a modification to the charging circuit to increase the voltage to utilize the higher voltage benefit of AGM Technology. Not necessary, but advantageous. 
> 
> Jack
> 
> -----Original Message-----
> From: Shop-talk <shop-talk-bounces at autox.team.net> On Behalf Of Thomas Coradeschi
> Sent: Saturday, October 7, 2023 9:39 AM
> To: shop-talk <shop-talk at autox.team.net>
> Subject: Re: [Shop-talk] battery exploded ???
> 
> With you 100%. At this point, I’d suggest you look for an AGM battery which will meet the specs (physical and electrical). There is just so much wrong with the old flooded plate technology (as you can see) that the cost differential - which isn’t much - is worth it just for peace of mind.
> 
> My $0.02.
> 
> —
> Tom Coradeschi
> tjcora at icloud.com
> 
> 
>> On 07 Oct 2023, at 10:09 AM, john <jniolon at att.net> wrote:
>> 
>> 
>> 
>> little background... battery is in a 30kw Generac standby generator.  
>> Protected from the weather  It exercised itself last week with no problem..
>> 
>> cables and connectors were clean and tight.  It was 2 years and 2 months old...
>> 
>> generator is equipt with a trickle charger that keeps battery topped off and I've never had a problem with it.  I think it's rated at 1 amp.
>> 
>> 
>> 
>> took the battery back to Walmart and it was 2 months out of a 2 year warranty and they said they would give me a core charge ...nothing else, even though it EXPLODED !!
>> 
>> I'm gonna wash the generator down with baking soda today. Signs of sprayed battery acid are evident everywhere.  Then do some testing... 
>> 
>> I'm with dirtbeard...I'm leaning toward internal short as I've seen 
>> lots of the same thing on the net with Walmart batteries.....more to 
>> come john
>> ----- Original Message -----
>> From: old dirtbeard <dirtbeard at gmail.com>
>> To: Pat Horne <patintexas at icloud.com>
>> Cc: john <jniolon at att.net>, shop-talk <shop-talk at autox.team.net>
>> Sent: 10/7/2023 7:29:43 AM
>> Subject: Re: [Shop-talk] battery exploded ???
>> Guessing here, but perhaps the battery sulfated, the plates touched/shorted and caused internal short. 
>> 
>> If the battery was not vented adequately, vents plugged, etc., it could have pressurized and exploded.
>> 
>> I use desulfating trickle chargers/battery tenders on all of my lead acid batteries in hopes to extend the battery life and hopefully to prevent this scenario.
>> 
>> Again, though, just guessing here.
>> 
>> On Fri, Oct 6, 2023 at 11:33 PM Pat Horne <patintexas at icloud.com> wrote:
>> Never had this happen.  Instead of getting a battery & rolling the dice as to whether you have a short in the generator, use the battery in a vehicle with jumper cables & put a headlight in series with it. If the headlight doesn’t light when you connect the leads, you don’t have a short. 
>> 
>> Peace, Pat. 
>> 
>> Pat Horne
>> We support Habitat for Humanity
>> 
>> 
>> On Oct 6, 2023, at 6:22 PM, john <jniolon at att.net> wrote:
>> 
>> 
>> here's a new one for me... Hadn't heard my generator exercise lately 
>> so tried to start it manually...click..ckick
>> 
>> pulled the cover off and here's what I found... top and side blown  
>> off and of course fluid drained out
>> 
>> looks like it exploded... anyone seen this before??   can't trouble shoot till I get another battery... what...other than a direct
>> short would cause this??   what/where/how would you troubleshoot ??
>> 
>> <IMG_0634.jpg>
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>> 
>> --
>> Best,
>> 
>> Doug
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