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Home Forums General Discussion Deep cycle battery in my truck.

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    Hello, I travel a lot in my 97 Ford Expedition. I have installed a deep cycle marine battery, a 2000 watt inverter, and a battery isolator to disconnect my truck battery and the secondary batt. I just want to know if my alternator can handle charging both batteries when it’s running without damaging anything.

    Alternator: 130 amps

    Marine Battery: 1000mca, 800cca, 115 AH, 180 reserve capacity

    Truck Battery: 935ca, 750cca, 140 Reserve Minutes.


    A battery isolator is designed to sence the low battery and charge it till it matches the other battery and then charge them both and your alternator can handel both with no problem

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