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並前往https://www.reddit.com/r/DIY/comments/2d5l1q/question_can_i_replace_5v_dc_power_supply_with_3/

Can I replace 5V DC power supply with 3 or 4 AA batteries?

They are all 5v and will charge from a computer USB or any USB wall charger. Most of these packs have enough mAh to power anything.

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