I am currently testing my 24 DC. It is a Walmart. It is a one year old free replacement for the one year old that came with the trailer.I very seldom boondock. My trailer is always plugged in when stored (at home).If I replace with either 1 or 2 group 27 real deep cycle batteries, does it hurt them to not be cycled deeply?I do not need the battery for starting purposes.I would like enough power to spend a weekend unplugged without going below 50%.Does this sound workable?Thanks for all the great advice.

With no shore power & without a generator, you will probably not get through a full weekend. It purely depends on "how much power" you will be consuming.

The year old group 24 should make a weekend if you use no furnace and minimal lights.It may go below 50% and that is OK. Use it up.

The group 24 is already suspect. With nothing but 2 led lights and co detector on, it goes from 12.7 to 12.1 or 2 overnight.I am trying to do my research for when it kicks.I would think, without running heat, using 2 group 27 real DC's I should get @ 3 to 4 days. Any other guesses gladly accepted

Dakota98 wrote:With no shore power & without a generator, you will probably not get through a full weekend. It purely depends on "how much power" you will be consuming.That is certainly not true. I have went a week (actually it was 6-1/2 days)on a Group 24 battery. On other occasions a Group 27 only lasted 3 or 4 days. It all depends on how much you are using int. But in my case, a weekend is no problem. Although I have no real answer if it went/goes below 50% or not. That type of thing just doesn't concern me.

nickthehunter wrote:Dakota98 wrote:With no shore power & without a generator, you will probably not get through a full weekend. It purely depends on "how much power" you will be consuming.That is certainly not true. I have went a week (actually it was 6-1/2 days)on a Group 24 battery. On other occasions a Group 27 only lasted 3 or 4 days. It all depends on how much you are using int. But in my case, a weekend is no problem. Although I have no real answer if it went/goes below 50% or not. That type of thing just doesn't concern me.As I said, "It purely depends on "how much power" will be consumed" If the furnace, lights, frig & sensors are all drawing, then a 50% discharge will occur rapidly. The batteries can be drawn down to 20% without too much harm, but not often & will need to be re-charged soon after & will shorten the life span of the battery.

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17 Replies

Ron3rd
Explorer III
Nov 14, 2014
If you want to spend a weekend unplugged, I would go with the two group 24 Marine/Deep Cycle batteries like your Wal Mart, Costco, Interstate, etc. While not a "true deep cycle" battery, they should be sufficient. What will really suck the juice is running the furnace all night. If you've got the room, I would go with two of the bigger 27s, but you'd need bigger battery boxes and a bigger tray. I would not boondock with a single 24, but that' just me.
dockmasterdave
Explorer
Nov 14, 2014
I guess my main question wasn't stated very well.
When I replace my battery with Battery/batteries, does it do harm to a deep cycle to stay fully charged?
Would I have to learn to do a conditioning charge etc?
Dakota98
Explorer
Nov 14, 2014
nickthehunter wrote:
Dakota98 wrote:
With no shore power & without a generator, you will probably not get through a full weekend. It purely depends on "how much power" you will be consuming.
That is certainly not true. I have went a week (actually it was 6-1/2 days)on a Group 24 battery. On other occasions a Group 27 only lasted 3 or 4 days. It all depends on how much you are using int. But in my case, a weekend is no problem. Although I have no real answer if it went/goes below 50% or not. That type of thing just doesn't concern me.

As I said, "It purely depends on "how much power" will be consumed" If the furnace, lights, frig & sensors are all drawing, then a 50% discharge will occur rapidly. The batteries can be drawn down to 20% without too much harm, but not often & will need to be re-charged soon after & will shorten the life span of the battery.
nickthehunter
Nomad III
Nov 14, 2014
Dakota98 wrote:
With no shore power & without a generator, you will probably not get through a full weekend. It purely depends on "how much power" you will be consuming.
That is certainly not true. I have went a week (actually it was 6-1/2 days)on a Group 24 battery. On other occasions a Group 27 only lasted 3 or 4 days. It all depends on how much you are using int. But in my case, a weekend is no problem. Although I have no real answer if it went/goes below 50% or not. That type of thing just doesn't concern me.
dockmasterdave
Explorer
Nov 14, 2014
The group 24 is already suspect. With nothing but 2 led lights and co detector on, it goes from 12.7 to 12.1 or 2 overnight.
I am trying to do my research for when it kicks.
I would think, without running heat, using 2 group 27 real DC's I should get @ 3 to 4 days.
Any other guesses gladly accepted
time2roll
Nomad
Nov 14, 2014
The year old group 24 should make a weekend if you use no furnace and minimal lights.
It may go below 50% and that is OK. Use it up.
Dakota98
Explorer
Nov 14, 2014
With no shore power & without a generator, you will probably not get through a full weekend. It purely depends on "how much power" you will be consuming.

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