Renogy R-SP001 Bedienungsanleitung Seite 7

Recharging via sunlight.
Place the solar panel under direct sunlight. Recharging will start with the red
LED Solar Indicator illuminating and the blue LED Power Indicators lighting
up one by one according to the battery levels.
Recharging via the input port.
Use the included Micro USB cable to recharge the portable charger through
wall outlets or other power sources until all 4 LED Power Indicators become
solid blue.
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