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/diy/ - Do It Yourself

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>> No.2551435 [View]
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2551435

>>2550243
I did something like this with a couple different shitty HF 3x AAA lights. I bought the micro USB charging board on Amazon and it was like $5 or less for 5 boards, I’m sure they’re even cheaper if you buy more or from another site. Worked pretty well but 18650 is stronger than 3x shitty chinese AAAs so the cheap LED boards would probably last longer if I did the math on a proper resistor.

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