Connecting Trailer Battery to Same 12 Volt Wire that Charges Breakaway Battery
Updated 05/22/2017 | Published 05/20/2017
Question:
Need to know if I hook up a trailer battery to the same 12 volt wire that charges my breakaway battery if I need an isolator or if its ok for them to run in the same circuit? First time dont want to mess it up. And also I want to hook up an inverter in my tongue box for tools of fan etc... as we will be us in the trailer for camping also. Thanks.
asked by: Ryan P
Helpful Expert Reply:
You should have no issue hooking up your trailer battery to the same 12 volt wire that charges your breakaway battery. You will just need to make sure that you do not drain the batteries when they are being used. An isolator or diode is not needed for this application.
Then for a power inverter, I recommend looking at the Wagan # WC3720. This will convert 12 volt DC power to 115 volt AC power. A 3 foot DC cable is included to connect directly to the battery. I have attached the installation details for you to check out.
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