2A 2V-24V to 3V 5V 6V 9V 12V 19V DC-DC Boost Step Up Voltage Converter Power Supply Module XH-M415
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Yet to be tested, but looks good.
It came quickly, I will have to try it
Be careful. Od input voltage drops below 3,7V output rises above 48V., do real and Sage range od input od rather above 5V.
OK
Made a power supply for my ThumbPro 4K using this, and a single 18650. the voltage adjustment was super easy using a tester. So. far so good, but I haven't really used it much yet.
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prima product en levering.
I just got it! Looks good! When testing I do review!
ok! it works!
Arrived quickly, ordered 2 but 1 failed after a few days of use