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Open Roads Forum  >  Tech Issues

 > Dead battery so quickly?

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swimmer_spe

Sudbury, Ontario, Canada

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Posted: 07/08/19 07:28pm Link  |  Quote  |  Print  |  Notify Moderator

One of the trailers that I own is a 1975 model. I bought a brand new Code 24 battery. I was told it was fully charged. I hooked it up, and ran a fluorescent light for a few hours. The next day, the battery was stone dead.

What would cause this?

It does not have a fan running HVAC. It does not have any monitors. It only was used for 1 light for a few hours.

I am definitely bringing the battery back and getting them to help figure out of the battery is the problem.

BB_TX

McKinney, Texas

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Posted: 07/08/19 07:37pm Link  |  Quote  |  Print  |  Notify Moderator

What is the amp draw of that fluorescent light?

swimmer_spe

Sudbury, Ontario, Canada

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Posted: 07/08/19 07:40pm Link  |  Quote  |  Print  |  Notify Moderator

BB_TX wrote:

What is the amp draw of that fluorescent light?


Honestly, I don't know, but when I had another battery that was the same, I could easily get a week or more without having to charge it.

rk911

Wheaton IL

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Posted: 07/08/19 07:43pm Link  |  Quote  |  Print  |  Notify Moderator

- did you check the state of the charge after purchade?
- have you attempted to re-charge?
- current state of charge?


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swimmer_spe

Sudbury, Ontario, Canada

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Posted: 07/08/19 07:45pm Link  |  Quote  |  Print  |  Notify Moderator

rk911 wrote:

- did you check the state of the charge after purchade?
- have you attempted to re-charge?
- current state of charge?


No
Not yet
dead.

I am learning not to trust someone when they say it is charged. I will have them do a load test prior to taking it.

Lwiddis

Monterey, California

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Posted: 07/08/19 07:45pm Link  |  Quote  |  Print  |  Notify Moderator

What is the advertised amp hour capacity of the Code 24 battery?

“I was told it was fully charged.” That’s worth nothing.


2015 Winnebago 2101DS TT & Tahoe LTZ, 300 watts WindyNation solar-parallel & MPPT, Trojan T-125s. TALL flagpole for US flag. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - old MOS 1542 & 1560.


rk911

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Posted: 07/08/19 08:10pm Link  |  Quote  |  Print  |  Notify Moderator

me? i'd hook it to a charger and go from there. after charging let it rest for abt 15-min and then check the cells with a hydrometer.

it's one of three things..

- battery is defective. re-charging should answer that.
- battery wasn't fully charged when you bought it. re-charging should answer that.
- you had more of a draw than you thought.

* This post was edited 07/08/19 08:26pm by rk911 *

MEXICOWANDERER

las peñas, michoacan, mexico

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Posted: 07/08/19 08:27pm Link  |  Quote  |  Print  |  Notify Moderator

You need more than guesswork to diagnose a problem. When I was testing batteries and rebuilding alternators customers went wild when I explained what failed.

Almost new 21 SI Delco alternator.

Stopped charging

Broken brush

Why?

Delco used pure carbon brushes. Super long and they were brittle

Replaced with St Mary's USA carbon copper brushes. Lasted longer no breakage ever.

Cost $0.09 more per brush than Delco.

Do something like that today?

LEARN how to troubleshoot or suffer fools. Your choice.

Shirley you jest.

swimmer_spe

Sudbury, Ontario, Canada

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Posted: 07/08/19 08:31pm Link  |  Quote  |  Print  |  Notify Moderator

MEXICOWANDERER wrote:

You need more than guesswork to diagnose a problem. When I was testing batteries and rebuilding alternators customers went wild when I explained what failed.

Almost new 21 SI Delco alternator.

Stopped charging

Broken brush

Why?

Delco used pure carbon brushes. Super long and they were brittle

Replaced with St Mary's USA carbon copper brushes. Lasted longer no breakage ever.

Cost $0.09 more per brush than Delco.

Do something like that today?

LEARN how to troubleshoot or suffer fools. Your choice.

Shirley you jest.


Ok, so, what on a more than 40 year old trailer could kill a battery in one evening?

I am trying to isolate whether or not it is the battery. If it isn't the battery, then out comes the multimeter to find the problem.

Lwiddis

Monterey, California

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Posted: 07/08/19 09:08pm Link  |  Quote  |  Print  |  Notify Moderator

“I am definitely bringing the battery back and getting them to help figure out of the battery is the problem.“

And if it’s not the battery, why should them figure out anything?

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