Does the PowerPort Solar 21W need Sunlight to work or will it work with the Light of a normal Lamp too? Because if i am holding my PowerPort Solar 21W in Front of a Lamp, i can see that the LED indicator is shining, but it wont output any Power…
PowerPort Solar 21W artificial light
Most solar panels need direct sunlight, artificial light isnt enough to power the panels unless it’s a uv light of sorts
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Thank you very much, that has answered my question 
No.
Better answer.
The red light indicates it sees enough light to turn on a red light. That does not mean enough to power your devices. Each device has a minimum voltage and current to become recharged (which in general the voltage and current needs vary on the device’s current state).
So you have to test recharging for your device in the conditions you expect.
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