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llucas avatar image
llucas asked

DC-DC Charger Connection to Battery Bank

Am installing the Orion-tr Smart Isolated DC-DC Charger in my trailer. I have three 100ah lithium batteries in parallel. Do I connect the red positive cable to positive on the first battery and the black negative cable to the negative on the third battery or both connections on only one of the batteries?

Lithium Batteryorion-tr smart
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2 Answers
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·
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Kevin Windrem avatar image
Kevin Windrem answered ·

If you have a battery monitor (highly recommended), you'd connect to the system side of the shunt not the battery negative.

Wiring Unlimited is an excellent guide.

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