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1x Portable Light Power Bank. 8、Even in a perfect laboratory condition,The efficiency of energy transformation from solar to electric energy is really low.When it used in outdoor, it also affected by the weather, the location or others factors.

Note: Even in a perfect laboratory condition,The efficiency of energy transformation from solar to electric energy is really low.When it used in

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Solar/power indicator: The solar indicator is green. When the solar charging treasure is in the sun, the indicator is green when it is too hot. Dual

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