The 28 Watt Solar Charging System provides real power with a slim and ultra portable design. Perfect for powering your small devices, cameras, cell phones and tablets in less than great weather conditions. • Outer Material: Rugged Nylon • USB Output: 5V -2.1 Amps • DC Output: 18V - 1.56 Amps • Maximum Current: (A) 5.6 A and 1.56A • Working Voltage: 5V +\- 0.5 and 18V +\- 0.5 • Working Current: 2.1A +\- 0.5 and 1.56A +\- 0.5 • Cell Type: Monocrystalline • Warranty: 20 year warranty on solar cells and 1 year warranty for product defects on solar kit components
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