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split charge relay, with solar charging engine battery

  • 24-05-2023 11:45AM
    #1
    spaceHopper
    Registered Users, Registered Users 2 Posts: 4,181 ✭✭✭


    I want to add solar to my camper and to upgrade the battery to a bigger one. I'm thinking of changing out the 30 year old relay in it for new one. I picked up a solar charge controller that will also charge the engine battery as well as the leisure battery. But I've question. If I put in a smart or voltage sensing relay will the solar charge controller make it think the engine is one and activate the relay when it shouldn't?

    https://www.wiredcampers.co.uk/collections/12v-split-charge-relay-kits



Comments

  • #2
    Alkers
    Registered Users, Registered Users 2, Paid Member Posts: 6,870 ✭✭✭Alkers


    Most of those split charge relays will detect charging current at either battery and charge both batteries accordingly.

    So the alternator or solar output will go to both batteries.



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