battery hot when charge

[412lorie]

we just bought a new battery and charger. when we came back the other day we put charger on it. charger is a ship n shore fully auto/ manual for 12v marine deep cycle batteries. battery is a trojan biggest one gander mt had for trolling. it could be dual purpose im not sure. its all connected in the boat. we put the charger on it and the needle was all the way discharged. i know we did not use it enough to run it all the way down. and the charger got pretty warm and the needle never went past like 8 on the gauge after hours of charging. so we put a battery tender jr. on it. it never went to green after. what do think it could be?

 

[jtexas]

Re: battery hot when charge

check the water in the battery..........sometimes those batteries sit on the shelves awhile, I always make sure to get the freshest battery in the store & make 'em check it before I leave. I'd take it back for a new one.

 

[Big Keepers]

Re: battery hot when charge

I agree. You can distill water easily by boiling it in a tea pot. Let it cool to room temperature and then carefully pop those top covers and take a peek inside. Use a small flashlight if necessary, not a lighter. The water (electrolyte) should be just above the tops of the plates inside.

Hopefully the charger you bought trickles at like 2A or something. Maybe it's defective? The "battery tender" should have done the trick too. I'd return the charger and the battery, or at least have them check the battery and exchange the charger.

 

[burroak]

Re: battery hot when charge

I agree. You can distill water easily by boiling it in a tea pot. Let it cool to room temperature and then carefully pop those top covers and take a peek inside. Use a small flashlight if necessary, not a lighter. The water (electrolyte) should be just above the tops of the plates inside.

Hopefully the charger you bought trickles at like 2A or something. Maybe it's defective? The "battery tender" should have done the trick too. I'd return the charger and the battery, or at least have them check the battery and exchange the charger.

Boiling water will not give you distilled water unless you run it thru a moonshiner's still to collect the condensate. The water from a dehumidifier is without minerals.

As I understand it, batteries don't need distilled water now.

 

[jtexas]

Re: battery hot when charge

Boiling water will not give you distilled water unless you run it thru a moonshiner's still to collect the condensate. The water from a dehumidifier is without minerals.

As I understand it, batteries don't need distilled water now.

Has lead-acid battery technology changed that much? Maybe AGM batteries.

anyway I'm still using distilled water.

 

[Vlad D Impeller]

Re: battery hot when charge

Why go through all of that, distilled water can be bought rather conviently at your local grocery chain.

 

[Major Woods]

Re: battery hot when charge

Boiling water will not give you distilled water unless you run it thru a moonshiner's still to collect the condensate. The water from a dehumidifier is without minerals.

As I understand it, batteries don't need distilled water now.

I was Quality Supervisor in a battery manufacturing plant for 8 years. I can assure you that distilled water is still needed. In an emergency suituation even pond water will work, don't ask me how I know that, LOL.

Sounds like you might have a fully discharged battery to start with. It might take (depending on battery size) a full day or two to charge it up.
After charging, wait 24 hours and take a voltage reading from the battery terminals. Your looking for a reading of >12.6 volts which is close to 100% charged.
An amp meter can tell you the actual amps being put into the battery during charge. This will tell you if the charger is working and the actual amount it's putting into the battery. Had a charger once that put out .5 amps even when set to 2 amps on a discharged battery. Thought I had a defective battery when the charger was at fault.

You could also bring the battery to a auto shop and they could load test it, that will determine if battery is shot or not.