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exploded battery

peteandpatty01
Explorer
Explorer
Rig is a 2001 four winds hurricane, Ford f53 chassis. I keep it in my yard, covered for the winter. It is hooked to 110v house power all winter. I check it about every 3 weeks, add water to the batteries if needed. Been doing this for 5 years no problem. All was fine 3 weeks ago then yesterday 4/14 when I checked I found one of my two house batteries blowen apart, sides crakes, top open, able to see all the plates. Other battery looks ok, at least no crakes. My guess a small hydrogen explosion.
I will check out my converter. I did buy two new batteries. I will test the good looking battery from the old pair. If it test ok I will place it in parrell with the two new ones giving me 3 house batteries.
Your thoughts on the cause of the loss of the battery
Your thoughts on using the old battery if it tests good.
9 REPLIES 9

wa8yxm
Explorer III
Explorer III
You need to get a garden sprayer.. Fill it with water and baking soda, as much soda as you can disslove in the water, and hose down EVERYTHING near that blown up battery,,, You may see many areas "Fizz".. this is good as the soda is kicking the acids ... ER.. acid. Once it stops fizzing hose it down with the garden hose.. Do not worry about getting wires wet so long as they are 12 volt.. Once you have washed and rinsed.

Replace BOTH batteries

And check your reverse polarity fuses or breakers.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times

skipnchar
Explorer
Explorer
The most common reason that a battery explodes when NOT being worked on in some way is an internal short. Builds up heat and off gasses sulfuric acid and hydrogen fumes until it just blows up. Often you will see the sides bulging and it will ALWAYS put out a stinky odor when this is occurring. If you see any battery exhibiting these characteristics disconnect the power immediately. That's a good reason wearing safety goggles is a really good idea when working around batteries.
2011 F-150 HD Ecoboost 3.5 V6. 2550 payload, 17,100 GCVWR -
2004 F-150 HD (Traded after 80,000 towing miles)
2007 Rockwood 8314SS 34' travel trailer

US Govt survey shows three out of four people make up 75% of the total population

j-d
Explorer II
Explorer II
I think that it was being charged, which causes hydrogen bubbles. But something failed inside the battery, like a cell connector. Since it was being charged, there was a spark and it detonated the hydrogen/air mix above the electrolyte. In any event you should sanitize the area with baking soda and water. You may find some of the paint comes off. And, agree with the others, good thing you are replacing both batteries.

It's possible, of course, that the spark came from the outside of the battery too. Like a short got across it or to ground. Or a connection right by the battery went bad.

I blew a battery up testing a starter once. Made a BANG, lifted the top, split the sides, and let the electrolyte out.
If God's Your Co-Pilot Move Over, jd
2003 Jayco Escapade 31A on 2002 Ford E450 V10 4R100 218" WB

Mike_LeClair
Explorer
Explorer
I will caution you against hooking up the old battery in line with the new ones. From what I understand, the old battery will drag the new batteries down and kill them dead in a short period of time. I know that the thinking is that the new batteries will "support" the old one - unfortunately, the opposite is true.

Cheers!

Mike
Something Old, Something New
2012 F350 SRW, 6.7l Powerstroke, 3.55's front and rear.
2008 Fleetwood Regal 325RKTS
Mike, Carol and our 4 legged "furry child" Kenzie Shweenie Tod

RoyB
Explorer II
Explorer II
I suspect your 2001 model single mode on-board converter/charger unit has boiled out your battery fluids over time and then the winter froze up the battery.

The older converter/chargers only put out 13.6VDC and this is just right on the edge of boiling out your battery fluids over time. I lost one the same way. I had to start inspecting the battery fluids at least every two weeks to make sure they was not boiling out fluids..

I eventually replaced my older converter/charger with a smart mode version. I went with the PD9200 series units.

Just a couple of my theories...
Roy Ken
My Posts are IMHO based on my experiences - Words in CAPS does not mean I am shouting
Roy - Carolyn
RETIRED DOAF/DON/DOD/CONTR RADIO TECH (42yrs)
K9PHT (Since 1957) 146.52M
2010 F150, 5.4,3:73 Gears,SCab
2008 Starcraft 14RT EU2000i GEN
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MitchF150
Explorer III
Explorer III
What's the point of leaving it plugged in all the time if you aren't using it to warrant the need to keep it plugged in all the time?? Is it just to keep the batteries charged??

I keep my trailer parked and covered all winter too, but I only plug it in when needed... Even covered, I've used it for an extra room for house guests.. I pull the battery from it and keep it in the garage. Plug it in when needed.

My converter allows for it to be plugged in without a battery, so you'd have to check to make sure yours can do that too..

Anyway, whatever works for you is the way you should do things, but for the last 12 years, I've been disconnecting the battery and I actually still have the original DELCO battery that came with the trailer, but I do use a newer TROJAN for it now, but it's getting to be about 6-7 years old now too....

Oh well, get some new batteries and try a disconnect switch and a trickle charger on them and leave the rest of the rig unplugged.. Or continue with what works for you and be happy! ๐Ÿ™‚

Mitch
2013 F150 XLT 4x4 SuperCab Max Tow Egoboost 3.73 gears #7700 GVWR #1920 payload. 2019 Rockwood Mini Lite 2511S.

Greydennyhawk
Explorer
Explorer
A fully charged battery does not freeze, maybe it was low?
Denny, Rosie and Josie the Beagle
2016 Allegro 36 LA
2016 Mazda 3

pugslyyy
Explorer
Explorer
If the batteries were both 5 years old I would probably just go ahead and retire the one that didn't blow up. I've never been a big fan of mixing batteries in a bank.

naturist
Nomad
Nomad
Sorry to hear that.