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  1. #1

    Does trickle charging damage the rectifier?

    Greets:

    I was reading today that trickle charging without first disconnecting one battery lead will damage the rectifier.

    Will someone who knows please comment.

    Ty,

    Rich

    ==================

    '97 SLTX 1050
    '96 SLT 700


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Depends on what you are using to do the charging.

    Avoid automotive size and simple battery chargers for PWC batteries.

    Use a good quality battery maintainer/charger, such as Battery Tender, CTEK, or BatteryMinder.

    Many 'trickle' chargers actually put out too much voltage for a PWC battery system.

    The best option is to install a high quality factory sealed AGM battery. AGM will last longer and not require much, if any, recharging.

    If you need to re-charge it in the PWC, use a good quality charger.

  3. #3
    Ty K447,

    I've seen mods where guys will just trailer their skis into the garage and plug them into the charger through an added external receptacle, and modded mine the same.

    I was using a cheap ($30), 1.5 amp trickle charger described as a "maintainer", which has float-mode monitoring, so I figured it would be okay.

    'Having second thoughts now, though...

    ================

    btw: If a rectifier is damaged, what would be the sign?

  4. #4
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by SLT 700 View Post
    ...I've seen mods where guys will just trailer their skis into the garage and plug them into the charger through an added external receptacle, and modded mine the same.
    I have an external charging port installed.
    I use a BatteryMinder maintainer.


    I was using a cheap ($30), 1.5 amp trickle charger described as a "maintainer", which has float-mode monitoring, so I figured it would be okay.
    I cannot vouch for the charger you have, but if it is properly designed, it should be fine.

    'Having second thoughts now, though...

    ================

    btw: If a rectifier is damaged, what would be the sign?
    A defective LR voltage regulator usually results in no battery charging (battery voltage remains below 13.5 volts with engine running), or excessive charging (voltage rises above 15 volts as RPM rises).

    Sometimes an LR failure will result in the bilge pump running all the time, or never (Orange wire).

    Occasionally a failed LR module can cause the battery to drain when the engine is not running.

    With any external connection to the electrical system, it is important to confirm that all connections and grounds in the original system are 100% good, clean and tight.

    The add-on charger connections must then also be solidly connected and strapped down to eliminate flopping and flexing when riding.

    The positive charger connection should be protected by a marine rated fuse assembly.

  5. #5

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    1.5 amp. to high for trickle charge. COOK YEA BAT. max no more than 600MA. look at some of the bike maintanace chargers, i use optimate you can leave on battery. has a plug that on the battery and you plug into garage for continuase charging, diagnostic charge program built in.

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by justfun View Post
    ...I use Optimate you can leave on battery.

    Has a plug that on the battery and you plug into garage for continual charging, diagnostic charge program built in.
    Would that be this company?

    http://www.tecmate.com/

    http://www.optimate3.com/

  7. #7
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    use a high quality low amp maintainer

    I happen to favor battery tender brand. I hooked up a voltmeter to it and watched it charge a pretty low battery. After it reaches optium voltage, it cycles off and watches the battery, when the voltage drops below optimal, it power up and sticks a little more juice in there.

    well worth the price.

    just as a mattter of procedure I always disconnect a battery when I charge it. But the pigtail leads they sell with the battery tender tells me that it should be OK to leave them connected.

    If I had a seadoo sport baot, i wouldn't be going thru the trouble to disconnect the batteries to trickle chargethem..it's wayyyy too painful to get in there.

  8. #8

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    yep k447 mine optimate




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