How to make an emergency cell phone charger | 2 AA batteries

Опубликовано: 19 Сентябрь 2016
на канале: Cooltronics

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How to make an emergency cell phone charger.
Charging your phone becomes easier if you have two AA batteries you can charge your phone. The key component of this video is a step up converter, which converts our 3 volts input into 5 volts, which is that sweet spot to charge any cell phone.

I am using a Panasonic Eneloop pro batteries for charging, just because those are rechargeable batteries so we can recharge them after use.

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