I had to replace the battery in my 23B. It requires a group 27 deep cycle battery. Found out when the dealer replaced the battery a few years ago, they put in a24 cycle. Anyway, It has been about weeks since the new battery was installed.I put a Diehard 6v/12 v battery charger and maintainer on it yesterday and it was still charging this morning. I read the instruction booklet and it says the charger is not meant for a large battery, such as a marine deep cycle battery, that is not fully charged. What do I use? I used it with the old group 24 deep cycle battery.Suzanne

Since you have power to run a charger, isn't there an onboard charger? I don't know what a 23B is so sorry for the ignorance. A trickle charge could take a couple of days to bring a battery up. You probably basically have a maintainer. Eventually it will catch up.

Thank you for your response. But is my battery considered a large battery? My trailer is a Jayco hybrid 23B. Guess that really has nothing to do with the battery problem.Suzanne

msue wrote:Thank you for your response. But is my battery considered a large battery? My trailer is a Jayco hybrid 23B. Guess that really has nothing to do with the battery problem.SuzanneYou can use any size battery you want, the bigger, the better.

First you need to determine if your RV has a built-in converter/charger that makes 12v when plugged into shore power or when a generator is running.If it DOES, then that is probably the best way to get the battery charged up initially; then you can use the external charger you have to KEEP it charged when not being used.Even though your charger says it is not for "large" batteries, it probably will work IF you leave it connected long enough......like maybe a couple of WEEKS.Hopefully someone familiar with your model of RV can be more specific.

Your local library should have this booK:https://books.google.com/books/about/Managing_12_Volts.html?id=zJkHAAAACAAJ&source=kp_cover&hl=enManaging 12 Volts by Harold BarrI've read this many times; it's very informative, and it's a fun read!Good luck!

Battery | Good Sam Community

16 Replies

pitch
Explorer II
Jul 24, 2016
I am thinking that your charger will be fine
Make sure that you set it to the 12V side and charge away.
It should not take any more tha 6 or 8 hours to fully charge your battery with a standard charger and probably a lot faster than that.
stevenicol
Explorer
Jul 24, 2016
Your local library should have this booK:
https://books.google.com/books/about/Managing_12_Volts.html?id=zJkHAAAACAAJ&source=kp_cover&hl=enManaging 12 Volts by Harold Barr

I've read this many times; it's very informative, and it's a fun read!

Good luck!
Sam_Spade
Explorer
Jul 24, 2016
First you need to determine if your RV has a built-in converter/charger that makes 12v when plugged into shore power or when a generator is running.

If it DOES, then that is probably the best way to get the battery charged up initially; then you can use the external charger you have to KEEP it charged when not being used.

Even though your charger says it is not for "large" batteries, it probably will work IF you leave it connected long enough......like maybe a couple of WEEKS.

Hopefully someone familiar with your model of RV can be more specific.
Lynnmor
Explorer II
Jul 24, 2016
msue wrote:
Thank you for your response. But is my battery considered a large battery? My trailer is a Jayco hybrid 23B. Guess that really has nothing to do with the battery problem.

Suzanne

You can use any size battery you want, the bigger, the better.
msue
Explorer
Jul 24, 2016
Thank you for your response. But is my battery considered a large battery? My trailer is a Jayco hybrid 23B. Guess that really has nothing to do with the battery problem.

Suzanne
YC_1
Nomad
Jul 24, 2016
Since you have power to run a charger, isn't there an onboard charger? I don't know what a 23B is so sorry for the ignorance.
A trickle charge could take a couple of days to bring a battery up. You probably basically have a maintainer. Eventually it will catch up.

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Battery

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