Battery replacement/upgrades?

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  • Gdwats
    Junior Member
    • Jul 2017
    • 207

    #76
    I think my RO/DI water is as good as distilled. The tds meter reads 0.00 tds at the output. The string filter, RO membrane, carbon block and DIi column are only 200 gallons old of the 5000 gallon replace time. Should be good yes?
    900W, 40A MPPT, 230AH FLA,24V Samlex 1500W

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    • SunEagle
      Super Moderator
      • Oct 2012
      • 15125

      #77
      Originally posted by Gdwats
      I think my RO/DI water is as good as distilled. The tds meter reads 0.00 tds at the output. The string filter, RO membrane, carbon block and DIi column are only 200 gallons old of the 5000 gallon replace time. Should be good yes?
      Yes. Sounds good to me.

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      • Mike90250
        Moderator
        • May 2009
        • 16020

        #78
        I buy RO/Di water, but I check each batch, in case the water store cheaps out and forgets to change filters
        Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
        || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
        || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

        solar: http://tinyurl.com/LMR-Solar
        gen: http://tinyurl.com/LMR-Lister

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        • Gdwats
          Junior Member
          • Jul 2017
          • 207

          #79
          I have designated my batteries A,B,C, and D, with cells designated 1,2, and 3. Made the first cell check and all cells were equal at where the well stops and the tubular part begins, except for cell C1 which needed about 5 cc's or mls to bring it up with the others. Started charging today. I'm not sure what kind of data I should be collecting on the beasties? Should I download some kind of battery care/ maintenance/ log program, or just use a spreadsheet?
          thanks
          900W, 40A MPPT, 230AH FLA,24V Samlex 1500W

          Comment

          • SunEagle
            Super Moderator
            • Oct 2012
            • 15125

            #80
            Originally posted by Gdwats
            I have designated my batteries A,B,C, and D, with cells designated 1,2, and 3. Made the first cell check and all cells were equal at where the well stops and the tubular part begins, except for cell C1 which needed about 5 cc's or mls to bring it up with the others. Started charging today. I'm not sure what kind of data I should be collecting on the beasties? Should I download some kind of battery care/ maintenance/ log program, or just use a spreadsheet?
            thanks
            Just use a simple spreadsheet to keep track of the measurements like; date, specific gravity (before and after charging), charging time, voltage (before and after charging), loading of battery system (if possible) and probably a few other items that someone like Mike can give you.

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            • Mike90250
              Moderator
              • May 2009
              • 16020

              #81
              ha. you really don't want my log chart, unless you want to be really detailed about logging generator run hours (& oil changes) how much water was pumped and daily watthours used, in addition to water usage, lowest voltage of the day, minutes in Absorb, Float ........
              Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
              || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
              || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

              solar: http://tinyurl.com/LMR-Solar
              gen: http://tinyurl.com/LMR-Lister

              Comment

              • Gdwats
                Junior Member
                • Jul 2017
                • 207

                #82
                Yikes, no thanks! I've been logging V values, times and notes. Today started at 24.5. I mowed my lawn on solar...yes! I've got a $100 10A plug in mower. Took about 25min and battery went from 29 to 26.5. Then took about 5 min to start boosting again. Now at 29.4 on boost.
                Last edited by Gdwats; 09-15-2017, 05:41 PM.
                900W, 40A MPPT, 230AH FLA,24V Samlex 1500W

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