Originally Posted by Gkconfer
What are other consequences, besides the inconvenience of having no power to run your systems, of running out of battery power?
Your refrigerator needs 12v power for the control board
even when you're dry camping on LP gas.
IF you totally kill your battery your fridge will stop working.
The same goes for your LP waterheater.
I think you can get by 4 days if you are careful.
Use candle power or flashlights for the bulk of your light.
Take one bulb out of any interior light you must use and
then use them sparingly.
As I said earlier you CAN plug in your vehicle for a little
"auxiliary" power if you do that sparingly as well assuming
your tow vehicle does not shut off the battery lead when
you turn off the key.
Some do and some don't. You can easily check this with
a meter at the plug B4 you go.
See this thread for which pins in your plug are the battery
Can I use the battery or not?
There is a picture of the socket with pin outs on post
As mentioned it's best to never totally run down any
battery. It does tend to shorten the life but sometimes
"a man's gotta do what a man's gotta do!".
For max life you don't want them to go lower than
half charge but we sometimes get below that and my last
trailer was 4 years old when I traded it and the 12v
batteries seemed to still be working pretty good.
I've totally killed the battery in my Chevy at least 4 times
and it's the ORIGINAL FACTORY battery and it still
cranks my truck. I'm on borrowed time but this is just
to show what you can get away with -usually-.
(How quickly the dead or nearly dead battery is recharged
has a bearing on life too. Leaving one dead for many days
or weeks is very bad.)
Go and camp and have fun!!