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Old Aug 22, 2014, 01:25 PM
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Edina, MN, USA
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Water consumption with Battery Minder

Havenít been using my deep cycles much; and keep them connected to my Battery Minder ( & ) in desulfate mode.

Just checked the water level since last fall Ė at/or below the top of the plates.

I didnít think the Minder would cause that much water comsumption; do others see the same?

Here some thread that might be of interest:


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Old Aug 23, 2014, 03:59 AM
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AFAIK desulfation is accomplished by overcharging. Overcharging also causes the cells to split water to H2 and O2, thus why your cells are consuming water.

The charger should have a maintenance (float?) mode, this will keep them fully charged, without excessive water losses.
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Old Aug 23, 2014, 11:09 AM
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Any wet cell battery will need electrolyte levels topped off duriing/after charging even with a smart trickle charger. Fluid loss at low charge rates is less than with higher charge rates.
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