AGM Battery Failure
JeffroNC
Member Posts: 366
First boondock situation this year and the OE battery won’t deliver. Using just 30 ah Dropped the voltage to 12. My clue was that the fan on the DC fridge would not stop running because the compressor would not start.
The BMV showed 89% but the voltage was below 12. The compressor needs more than that to start. The Alde would not start either.
I hope this info helps someone.
As Mr. Murphy would have it, I have two 100 ah lithiums sitting at our kids house waiting to be installed. 
We were at a perfect spot, B3, in the Ocracoke Campground with no hookups.

We were at a perfect spot, B3, in the Ocracoke Campground with no hookups.
Good news is that there is another national Park campground in Nags Head right up the road that has 30a power. The journey continues.
High class problems. LOL
2019 T@B 400 BDL 2017 F150 3.5L Ecoboost
Jeff & Amy
Jeff & Amy
Now in Manistee, MI
Comments
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Ugh, I hope to meet Murphy before I die, I am going to put a whipping on him! You will really like Lithium and it will make you wonder why you waited so long. If you boondock, they are the solution!
Brad2020 400 BDL aka "Boonie"
2022 Black Series HQ19 aka "Cricket"
2021 F-250 Tremor with PSD aka "Big Blue"
Concord, NC -
@Dutch061 After bring an auto mechanic, I have a pretty long list of Murphyisms. LOL
We are on the ferry to our next spot and my truck got some power into the batteries while we were waiting.2019 T@B 400 BDL 2017 F150 3.5L Ecoboost
Jeff & AmyNow in Manistee, MI -
Were you measuring a rested battery? Voltage will always read low if things are running in the trailer, even on the vaunted BMV.
2017 Outback
Towed by 2014 Touareg TDi -
Would have lovved to see a pic of you and your T@b on a ferry!!!
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Ferries have been the way a few times... Have fun!TabbyShack said:Would have lovved to see a pic of you and your T@b in a ferry!!!


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2019 T@B 400 BDL 2017 F150 3.5L Ecoboost
Jeff & AmyNow in Manistee, MI -
OMG!!!!!!! Thanks so much for posting!!! I love it!!!!!
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It was a little hair raising. Great gas mileage though.

2019 T@B 400 BDL 2017 F150 3.5L Ecoboost
Jeff & AmyNow in Manistee, MI
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