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  1. #1

    SLTH and SLXH Battery Charging

    On both the 1998 SLTH and SLXH there are two conductor charging plugs connected to the batteries. Is it ok to leave the battery connected to the ski when using the slow chargers? I noticed that on the wiring schematics in the repair manuals, there is constant battery applied to the Stator, MFD and the CDI unit. Will the charging harm any of these components? Let me know.


  2. #2
    Moderator beerdart's Avatar
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    I leave mine hooked up all the time 3+ years with the battery minder..

  3. #3
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Bobby DeMoss View Post
    ...Is it ok to leave the battery connected to the ski when using the slow chargers?...
    Welcome to the Hulk!

    As long as the charger itself is a good design, there should be no problem leaving it all connected.

    What you want is a battery maintainer, not a just a charger. A maintainer will not overcharge the battery. Even the 2 amp 'slow' charge from an automotive charger is too much for these smaller PWC batteries.

    I use the VDCelectronics.com BatteryMINDer. Works well, and keeps the battery in good condition. The longer it is connected, the better for the battery.
    Last edited by K447; 08-13-2008 at 06:33 PM. Reason: Forgot the welcome!

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    ph2ocraft's Avatar
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    Hi DeMoss, WELCOME to the Green Hulk Forums!!

    If it's a Fuji powered PWC, I say disconnect the MFD in case something goes wrong with the charger and it sends a spike.
    The Domestic powered watercraft seem to be pretty good with the MFD attached.

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by ph2ocraft View Post
    ...If it's a Fuji powered PWC, I say disconnect the MFD in case something goes wrong with the charger and it sends a spike.
    The Domestic powered watercraft seem to be pretty good with the MFD attached.
    Are you refering to the round MFD as being more risk?

    Is it a difference in the Fuji electrics that causes the MFD grief, or a difference with the old MFD version?

    Not to be contrary, but the better made battery maintainers, like the VDC units, seem to be very well behaved. I connect mine to the battery, wait a moment to let it get settled (and select AGM as the battery type), then plug it into the AC power. Seems to provide a very gentle ramp up on the DC charging voltage.

    I always disconnect AC power from the charger, before touching the charging clamps at the battery.

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