Quote:
Originally Posted by witzgall
One of the reasons I think people get the energy calculations wrong is that they ignore charge efficiency of their batteries. Lead Acid, wet cells typically only store 1ah for every 1.3ah produced. That means that to put 1h back into the battery bank, you need to producer 1.3 amps for an hour. |
It is an important factor in calculating the energy
budget, although 30% is a bit high.
It is not a big factor with watermakers, because most of the time people operate them when they are energy positive (or close to it) so the
power is supplied directly by
solar, or the
generator rather than going through the conversion process of adding to the
battery and then extracting it.
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