One battery burst today

Question

I have six 6 volt coach batteries and one of them burst today. Is there any danger in having the engine running or connecting up to shore power before I replace it?  Also, there isn't much room in the battery compartment so I'll probably have to remove the front battery first. Besides marking all cables before disconnecting them, any tips on making this a smooth transition?

pappappy · Answer

If you are going to be using the battery bank right away, I'd disconnect another of the 6V batteries, so that you keep the 12V system.  It may not matter, but it may?Take a couple of pictures and make a drawing....anything to help make sure you get it wired back correctly.  Even the pros have problems sometimes...even when it seems as if would be so simple.Be careful of the acid...protect your face and eyes, as well as your hands.Good luck:)

pianotuna · Answer

Hi,Yes. This is what I would do--I've not put it in any order other than the first two items.Disconnect the negative wire(s).Some converters do NOT like to operate without a battery to smooth the voltage.In addition:Take a photograph as well as marking all the positive wires with red tape.Make up a paste of baking soda and water.Clean with the baking soda paste and then rinse well with lots of water water.Wear wool clothing.Wear eye protection.Wear disposable gloves.Consider using corrosion resistant paint to touch up the compartment.

rhagfo · Answer

pianotuna wrote:Hi,Yes. This is what I would do--I've not put it in any order other than the first two items.Disconnect the negative wire(s).Some converters do NOT like to operate without a battery to smooth the voltage.In addition:Take a photograph as well as marking all the positive wires with red tape.Make up a paste of baking soda and water.Clean with the baking soda paste and then rinse well with lots of water water.Wear wool clothing.Wear eye protection.Wear disposable gloves.Consider using corrosion resistant paint to touch up the compartment.X2You need to get that cleaned up ASAP!!Battery acid is very corrosive.

3_dog_nights · Answer

OK...obvious question, Why did it burst? It appears you have 2012 unit, so I assume the batteries are 1 year old.  What happened and why?

matt_colie · Answer

3 dog nights wrote:OK...obvious question, Why did it burst? It appears you have 2012 unit, so I assume the batteries are 1 year old.  What happened and why?He may just never know why.  Without a truly knowledgeable person to inspect the now open battery, there is no way to know.  Odds on are that a cell in that battery shorted, then was overheated with the power for the other batteries and the gas in the cell ignited.  This is not uncommon in situations with LA batteries in parallel.  The real snare is that the short heavy load on the other batteries in the common bank may also have been damaged.  This is difficult to detect.Just one of the reasons I don't like to build systems with LA batteries in parallel.  Matt

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One battery burst today

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