200 mAh * 50 = 10 000 mAh so it requied 50 hours of good sun light

There are 2 ways for charging your power bank, you could use a cable to connect 2A output adapter and your power bank for power supply. You could also let the solar panel face the sun and it will charge automatically in strong sunlight condition. The first green indicator light on the top of the power bank will light up when it’s in solar charging.

As we claimed on the product page. Don’t place the power bank in conditions unsuitable for human beings like car dashboard under strong sunlight without cooling air. You can leave it in a car when the cooling air is open, and do not place it in the car under strong sunlight without cooling air.

It is 200-300 Lumen. it sufficient to get around by when the power is out.

For the 5 indicator lights, the first green light is solar charging, the other 4 blue lights for adapter charging.
The first green light, to charge the power bank via solar, you just need to have the solar panel face the sun and it will charge automatically in strong sunlight condition. The first green indicator light on the top of the power bank will light up when it’s in solar charging.
The other 4 blue lights, four lights from left to right represent are 25%/50%/75%/100% power capacity. When charge the power bank by the USB port, all the indicator lights flash till it’s been fully charged. The 4 lights would be solid blue when it is fully charged. You could short press the “power button” to turn on the power bank or long-press the “power button” for 3 seconds to turn on the flashlights.

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