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Thread: Battery Caps

  1. #11
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    Cdn_Gringo posted a good layman's explanation. I know the chemistry and how this works, but no need to post more about it here.

    If you overcharge the batteries or doing frequent equalization cycles, more water will needed when water transforms into hydrogen and oxygen and escapes as gas. A good charger prevents overcharging and will lead to less frequent water refills.

    The battery cap product is more or less nonsense.
    Last edited by etolw; 01-25-2020 at 04:59 PM. Reason: spelling

  2. Likes windeguy liked this post
  3. #12
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    Victron is my system.... charge controllers.....

    I'm only 10 days into this new bank... live & learn

  4. #13
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    Victron appears to be high end stuff at a quick glance. It depends on how many charging stages they use as to how they treat the batteries, and how matched those are to your particular batteries, and affect the water usage as well as battery life time. Probably they are as good as it gets, but others familiar with the product line would know more.

  5. #14
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    Quote Originally Posted by JDJones View Post
    Of course, I bought a set of these once and used them for a year or so and didn't notice any difference whatsoever.

    I still had to add a small amount of water every month or so.

    I'd say don't waste your money.
    It may a gimmick be like those fuel saver turbos for your car's fuel intake hose

    https://www.amazon.com/Fincos-Superc.../dp/B07M9CKXW7

  6. #15
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    Seems to be worth a try. It will make access and maintenance easier - the caps on these 6V-220AH are really tight. (its for solar power system)

    Stopping acid misting and fumes are also safety concerns (having ruined clothing in past)

    It doesn't cost much either (at least in the USA)

  7. #16
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    Right - big ROLLS batteries - 8

    Easier mtce for sure
    Not that cheap at $5/each

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