Model ALLPOWERS SF100 ALLPOWERS SF200 ALLPOWERS SF400. ALLPOWERS SF400 Flexible Solar Panel - 400W, 25% High Efficiency. ALLPOWERS SF400 flexible solar panel uses advancedmonocrystalline solar cells, itsconversion efficiency up to25%, substantially higher than competitors' panels (most of the similar products on the market is 15% or even lower).
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