"12 Volt solar battery charger delivers 33 Watts for boats, RVs and back-up power. Works in all weather conditions. 38in.L x 11 3/4in.W x 1in.D. LED light shows when charging. Includes wiring, brackets and a solar panel voltage tester. All completely weather resistant. 5-year limited warranty. Application: Boats, RVs and back-up power, Watts: 33, Dimensions L x W (in.): 38 x 11 3/4 x 1, LED Light: Shows when charging, Material: White tempered glass, EVA resin, and a weatherproof film, plus aluminum frame, Panel Type: 125mm square multicrystal cells, Panels (qty.): 1 High-power module using 125mm square multicrystal cells with 12.60% module conversion efficiency Modules come with bypass diode to minimize the power drop caused by shade conditions Textured cell surface to reduce the reflection of sunlight and BSF (Black Surface Field) structure to improve cell conversion efficiency: 14.11% 20ft. of wire, voltage tester and plug connectors to add more panels and mounting accessories"
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