How To Size Your Off-Grid Solar Power System
Let''s say we want our solar array to charge our battery bank within one day. If we assume that we get 5 hours of full sunlight daily, then we divide 5,040 watts by 5 hours, which gives us 1,008 watts. If we use 250-watt solar panels, then we take 1,008 watts and divide that by 250, which gives us 4.03 panels.
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