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Trickle charging

M

Married2Allis

Well-known Member
Never cooked a battery before by charging it. Put a 2 amp charge on a 4-year car battery on the bench, came back an hour later battery case was almost too hot to touch and battery solution was bubbling out from under caps. Got that thing outside quickly. What is going on inside the batt??
 


Could be several things.

a shorted or weak cell will mean the other cells take on more voltage and they over charge and the weak cell under charges. bulk or long term charging is needed to bring weak cells back up. Its the curse of a "series cell battery design" that some cells take all the charge and others take little.

Or your charger is really putting out more amps.
 
I have found when that happens good chance the battery is dead as in no good any more for any thing but a core
 
"Or your charger is really putting out more amps."

That's what I'm thinking, 2 amps for an hour and heated the case that much? I would take a good careful look
at the output of the charger! Has it been taken apart, worked on? Sounds crazy, but almost like it's putting
out 120vac!
 
Old, I agree time for a new battery.

I don't see a need for a trickle charger. A good battery doesn't need trickled. Find what's draining the battery and fix the problem.

Any good charger will shut off before boiling the battery.
 
(quoted from post at 05:37:53 09/29/15) Old, I agree time for a new battery.

I don't see a need for a trickle charger. A good battery doesn't need trickled. Find what's draining the battery and fix the problem.

Any good charger will shut off before boiling the battery.
Click to expand...

A battery maintainer will keep a good battery in good condition. If you use the vehicle, tractor, etc. everyday, or even once per week, you probably do not need one, but if that machine is parked for several months, a battery maintainer is one of the best investments you can make. Also, newer vehicles equipped with electronics and computers need electricity from the battery even when not running, so if that vehicle is parked for even just one month, it may not start when you need it. A battery maintainer solves that problem.
 
Caps should have been open, check vents to make sure they are clear. The fluid in each cell needs to be up over the plates, top off with distilled water. Thing is, when a battery is doing that its making sulfuric gas, which will detonate with a tiny spark and you'll either be covered in acid and or have shards of battery case flying, just something to be aware of, always were safety glasses, hearing protection would not hurt either. Might be a rare occurrence, but I know of more than one that has detonated.
 
(quoted from post at 13:55:06 09/29/15)
(quoted from post at 05:37:53 09/29/15) Old, I agree time for a new battery.

I don't see a need for a trickle charger. A good battery doesn't need trickled. Find what's draining the battery and fix the problem.

Any good charger will shut off before boiling the battery.
Click to expand...

A battery maintainer will keep a good battery in good condition. If you use the vehicle, tractor, etc. everyday, or even once per week, you probably do not need one, but if that machine is parked for several months, a battery maintainer is one of the best investments you can make. Also, newer vehicles equipped with electronics and computers need electricity from the battery even when not running, so if that vehicle is parked for even just one month, it may not start when you need it. A battery maintainer solves that problem.
Click to expand...


I have 25 lead acid batteries. I have NEVER owned a trickle charger. I have NEVER had a need for a trickle charger.

Some of my batteries are on tractors, mowers, pressure washers, generators, dump trailer, truck and car.

A good battery will not boil. A good charger won't cause a battery to boil. A good charger will shut down when battery is charged. A drain on any battery will cause it to discharge. If you let anything sit for a year that's your fault, disconnect the battery. Batteries should be desulfated every 3-4 months. Take proper care of a battery and they will last longer. My oldest lawn mower battery is a 2007. Not one has been on a trickle charger. If you have a dead battery you need to find out what's draining them.
 
(quoted from post at 21:23:42 09/29/15)
(quoted from post at 13:55:06 09/29/15)
(quoted from post at 05:37:53 09/29/15) Old, I agree time for a new battery.

I don't see a need for a trickle charger. A good battery doesn't need trickled. Find what's draining the battery and fix the problem.

Any good charger will shut off before boiling the battery.
Click to expand...

A battery maintainer will keep a good battery in good condition. If you use the vehicle, tractor, etc. everyday, or even once per week, you probably do not need one, but if that machine is parked for several months, a battery maintainer is one of the best investments you can make. Also, newer vehicles equipped with electronics and computers need electricity from the battery even when not running, so if that vehicle is parked for even just one month, it may not start when you need it. A battery maintainer solves that problem.
Click to expand...


I have 25 lead acid batteries. I have NEVER owned a trickle charger. I have NEVER had a need for a trickle charger.

Some of my batteries are on tractors, mowers, pressure washers, generators, dump trailer, truck and car.

A good battery will not boil. A good charger won't cause a battery to boil. A good charger will shut down when battery is charged. A drain on any battery will cause it to discharge. If you let anything sit for a year that's your fault, disconnect the battery. Batteries should be desulfated every 3-4 months. Take proper care of a battery and they will last longer. My oldest lawn mower battery is a 2007. Not one has been on a trickle charger. If you have a dead battery you need to find out what's draining them.
Click to expand...
Batteries should be desulfated every 3-4 months. " How does George do that?
 
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