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The short answer is, yes, you can mix solar panels that have different wattages. Different wattage panels have different voltage and amps.
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To effectively use a 100-watt solar panel, aim for a battery capacity that's approximately 50% greater than your daily energy needs. For lead-acid batteries, you should consider a size of about 100 amp-hours (Ah).
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Combined costs ($28,505) ÷ annual savings ($2,822) = solar payback period (10. 1 years) In this example, you'd break even in about 10.
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What is the payback period for solar panels?
In the U.S., the payback period for solar panels is about eight years on average, but this can vary quite a bit from one homeowner to the next. In.
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