[Shop-talk] battery explosion clean up

[Al Fuller]

Yeah, I parted with most of my old-school chargers a while ago.

I guess in a world where I have unlimited time I would research, build and
install some smarts on the one remaining dumb charger, but that's in an
alternate universe ...

________________
Sent from my phone
Best Regards,
Al Fuller

On Sun, Jul 5, 2026, 5:09 PM Bob Spidell <bspidell at comcast.net> wrote:

> Overcharge caused by overvoltage. The only I know of that causes an
> explosion like that is hydrogen gas caused by overcharging along with a
> source of ignition. That's why it is now recommended to ground to the
> chassis, instead of the neg. terminal, when jump starting. Note even
> 'maintenance free' batteries have vents.
>
> I ruined a battery on an 'old school trickle' charger; they are constant
> current power supplies and will keep pumping electrons even after the
> battery if fully charged. The newer smart chargers know when to stop.
>
> bs
>
> On 7/3/2026 9:08 PM, Al Fuller wrote:
>
> Hard to think of anything better, but where the run off will go is a
> consideration.
>
> I guess it goes without saying that careful PPE is called for.
>
> What is causing the batteries to go? Overcharge? Overvoltage? Short
> circuit?
>
> Something as dangerous as multiple batteries going off calls for some
> serious investigation and root cause analysis.
>
> ________________
> Sent from my phone
> Best Regards,
> Al Fuller
>
> On Fri, Jul 3, 2026, 7:49 PM john niolon <jniolon at att.net> wrote:
>
>> had my second Walmart Neverstart battery explode in my generator.....
>>
>> what's the best clean up material for this   Soda wash??
>>
>> john
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