"Matchbox" - 5V powering from e-bike
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Easy way to have USB power from bike, scooter or gyroboard battery 12-48V
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Portable Devices
- Licencja
- Creative Commons — Public Domain
Ukraine is under fire and in dark - we have electricity outages.
So i make easy scheme to powering phones and other gadgets ower USB-A port using e-bike battery.
This gives many times more energy against the most powerful power banks.
You need just few things:
1. Step-down (buck converter) HW-677 based on LM2596HWS regulator.
Be careful, old LM2596S regulator break out from 36V battery(that have 42V when charged)!
2. Power connector as in your e-bike or scooter.
3. Any USB-A female connector
4. 30 centimeters of wire
5. Soldering iron and tester.
And also printed body.
*For 2-port version you need to stick 9х9х5mm radiator on LM2596HWS.
Processing:
1. Check power supply polarity and solder wires from step-down IN to power connector.
2. Connect it to battery and set 5 volts at OUT by turning the blue resistor knob.
3. Solder USB-A connector observing the polarity and place scheme in a printed parts.
Thats it, now you have up to 15W (3А) 5v power supply.