Leisure battery Charging

Discussion in 'Tech/Mech General' started by dflambe, Jul 6, 2012.

  1. dflambe

    dflambe Read Only Funster

    May 7, 2012
    Likes Received:
    Hi Folks,
    I'm in the process of fitting a split charge relay to my leisure battery and have a question.

    What I have at the moment is:

    A starter battery and a leisure battery.
    The starter battery charges from the vehicle altenator and both are conected to an on board charger which works when plugged in to the mains 220v supply.

    I am about to connected them up as per the attached picture.

    My question is:
    The leisure battery does not appear to be earted to the vehicle at the moment. Is it okay to leave the existing cables from the onboard charger connected also? I imagine I could not have the enging running and the electric connected at the same time as this could be potentially dangerous.

    Your advice would be appreciated

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