Here's a real quick and easy tutorial on making a "portable solar phone charger", it only took me 5 minutes to make one! it's powered by pure solar energy..... Just us$1.28 + free shipping, buy portable diy mobile power case usb 18650 diy battery charger for phone mp3 online shopping at gearbest.com.. I make for my self tiny 9v phone charger that i made out of usb car charger and its power up by alkaline 9v battery. i put on my keyring so i will never.
Make a diy battery charger with this simple $5 dollar hack..... there are many situations when a diy emergency cellphone charger would save the day> well, if you have. Have you ever been at school, or camping, and your phone ran out of battery? no need to waste 30 dollars on a power bank. just build it yourself for 10. Build your own portable solar powered cellphone charger from scratch. your phone battery is drained and your devise diy solar powered cellphone charger.
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