MT3608 DC-DC Step Up Converter Booster Power Supply Module
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CN-099:Ship between: Oct 05 - Oct 07
I first used it to level up the voltage from 3,7V battery to 16V for a smart lamp with bad AC adapter. See my review of the charge board. But it can be powered by any input voltage from 3 to 12v then I put an USB connection between lamp and battery to use the lamp in any 5v USB thanks to the versatility of this little great board. Very good small cheap useful electronic board. I am very happy and recommend it.