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  1. #1
    Rustymuscle's Avatar
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    Best Battery Charger and Tips for Voltage and Amps

    Steven in Sales has published another useful guide and this one address battery chargers, charging tips, proper amps, and voltage. Let’s dig in! According to Steven, the best jet ski battery charger will be a 12-volt smart charger that charges at a max of 2 amps. His top choice of battery charger’s is the NOCO Genius2, 3-Amp Fully Automatic Smart Charger. It has the right amount of charge, and a built-in maintainer that automatically turns on and off as needed.

    More at WatercraftJournal.Com
    Last edited by Rustymuscle; 09-07-2021 at 09:05 PM.

  2. #2
    Click avatar for tech links/info K447's Avatar
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    The article linked to by Watercraft Journal article reads as if it was written by someone who may not actually know what they are writing about. And/or not edited/vetted for technical accuracy.
    Product promotion oriented article with Amazon affiliate links, but rather hand wavy on the technical aspects.

    Quote Originally Posted by Ocean Priselac
    https://www.steveninsales.com/the-be...rger/#comments
    … According to Steven, the best jet ski battery charger will be a 12-volt smart charger that charges at a max of 2 amps. His top choice of battery charger’s is the NOCO Genius2, 3-Amp Fully Automatic Smart Charger.
    The best charger will have a maximum of 2 amps, but the top recommended charger has a maximum of 3 amps? *

    Looking at the actual Steven in Sales post, it recommends the 2 Amp NoCo charger.
    Quote Originally Posted by Steven in Sales
    … My top pick for the best jet ski battery charger is the NOCO GENIUS2 2-Amp Fully-Automatic Smart Charger


    Quote Originally Posted by No.Co Genius Support info
    https://no.co/support/genius-connecting-to-the-battery Connecting To The Battery

    Do not connect the AC power plug until all other connections are made.
    Identify the correct polarity of the battery terminals on the battery. The positive battery terminal is typically marked by these letters or symbol (POS,P,+).
    The negative battery terminal is typically marked by these letters or symbol (NEG,N,-).
    Do not make any connections to the carburetor, fuel lines, or thin, sheet metal parts.


    1.) Connect the positive (red) battery clamp or eyelet terminal connector to the positive (POS,P,+) battery terminal.

    2.) Connect the negative (black) battery clamp or eyelet terminal connector to the negative (NEG,N,-) battery terminal or vehicle chassis.

    3.) Connect the battery charger’s AC power plug into a suitable electrical outlet. …

    4.) When disconnecting the battery charger, * disconnect in the reverse sequence, removing the negative first …
    *

    Then the article directly contradicts not only the NoCo instructions but also widely known and practised charger use sequence.

    Quote Originally Posted by Steven in Sales
    For best results, remove the battery from the jet ski.
    Plug the battery charger power cord into the correct wall outlet.
    Connect the positive cable of the charger to the positive post of the battery.
    Connect the negative cable of the charger to the negative post of the battery.

    * Battery chargers and their correct use has been know for years and written about innumerable times. Yet incorrect or inaccurate information is often posted, linked and repeated online.

    The precise maximum charge amps from a charger is less important that how well the smart charging control operates. Precise charging control matters, whether the charger is rated 1, 2 or 3 maximum amps not so much.

    * The NoCo instructions omitted the step of unplugging the charger from AC power before disconnecting the charger connections to the charged battery.

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  4. #3
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    I find watercraft journal an amusing attempt at an industry mag due to articles just like the one posted. Far more accurate information on numerous topics is posted here with no subscription fee.

  5. #4
    Rustymuscle's Avatar
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    We don't have a subscription fee, nmpeter. This was just a short news article that shouldn't have been pushed through. Don't get too excited. We're still the industry leader.


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