Battery Drained Half in 4 Hours Disconnected!

Pekoe1111
Pekoe1111
in Battery/Electrical & Solar
I just drove four hours after completely charging my battery and now it is at 58%. The disconnect switch was engaged and the only thing on the battery is a Bluetooth battery monitor.  I am thinking the battery must be toast because there is no thing connected to it. I did run it down to 2% twice by mistake in the last two weeks. Thoughts?

Comments

  • pthomas745
    pthomas745
    What year?  What trailer?  What battery?  What fridge?  Were you trying to run a 3 way fridge while driving on battery? 

    What does your Victron say?  If this is a lead acid battery setup, what is the "rested" voltage reading?  What is saying to you that the battery is at 58%? 
    2017 Outback
    Towed by 2014 Touareg TDi

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