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Reply 13/09/2020rmanfredini Sorryyou were not cheeted you are unable to read descriptions and you stop only to the title: In the specs is written clearly that: Output: 12V 1200ma so only 14W or 21 at 18V. Considering actual efficiency of solar panels no solar panel of 55cm x 24cm can output 100W. Medium solar radiation on the earth is about 1400W/square meter. Best efficiency solar panels have 20% conversion ratio, so about 200-280w / square meter depending on your area. For a solar panel of 1/8 square meter having an output power of 100W would mean to have an efficiency of 60-80 %. That is a dream. Do not stop reading at the title, next time read also the description (max peak power 30W)
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