what size solar panel to charge 100ah battery
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A 100W motorhome solar panelnormally produces 4-5A per hour in bright sunshine. If you have a 100A/h battery, this will take approximately 100/5 = 20-25 hours of sunshine tocharge from 0% to 100%. The current of 12 volt solar panels or charging kits is typically proportionate to their wattage.
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