I made my own portable phone charger, and I didn’t electrocute myself

The best charger when you’re trapped in a gas station during the apocalypse:

I made my own portable phone charger, and I didn’t electrocute myself

My portable charger is probably the most useful piece of technology I carry with me, other than my phone. I am terrible about remembering to charge my phone until I’m stuck on a delayed subway at…

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