How to make a SOLAR POWER BANK charger for mobile

List Of Materials with Buy Link:

1. 2 pcs 18650 Battery Samsung 3000mAh INR18650-30Q

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2. 5V 1.2W Mini Solar Panel

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3. Power Bank Mainboard Double USB Output 5V 1A 2A

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4. DC-DC 0.9V-5V Step Up Power Supply Module

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How to make a SOLAR POWER BANK charger for mobile
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