Written for people who want to understand their own setup well enough to ask a supplier the right questions. No jargon without an explanation, and every number worked through.
Depth of discharge, conversion losses and the two formulas that turn a wish list into an amp-hour figure.
SolarStart from daily watt-hours and local sun hours, then decide whether you need batteries at all.
SavingsCooling and refrigeration are most of your bill. Here is what genuinely works against them.
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