Reddit mentions of uxcell Waterproof Voltage Converter Regulator DC/DC DC 12V/24V to DC 5V 5A 25W Power Buck Transformer
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We found 1 Reddit mentions of uxcell Waterproof Voltage Converter Regulator DC/DC DC 12V/24V to DC 5V 5A 25W Power Buck Transformer. Here are the top ones.
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Waterproof IP68 Voltage Converter Regulator DC 12V/24V to DC 5V 5A 25W.Protections: Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage.Auto-recovery when device is back to normal operating; high transfer efficiency of 93% max..Die-cast plastic shell, anti-shock, and moisture-proof and has stronger durability.Widely used in bus, cmb, large trucks, motor, solar generate electricity, display screen of bus and taxi, car audio device.Note: It is recommended to use stable DC power for the input power supply If you use the pulsed DC power provided by the generator, please filter it with capacitor before connecting it to the converter. If you use solar panel to supply directly, please note that the open circuit voltage of the solar panel cannot exceed the maximum withstand voltage of the converter. The supply voltage should be within the rated voltage and always leave a certain margin.
Specs:
| Height | 0.79 Inches |
| Length | 4.33 Inches |
| Size | DC 12V to DC 5V 5A |
| Width | 3.94 Inches |
Just buy a dedicated 5A supply like this -
https://www.amazon.com/gp/product/B01N1FEALU/
I can see why you'd want the cig adapter as it gives you a USB option right away. Those things tend to be way under-powered tho. What I did is bought the supply I linked, and I use it to power both a powered USB hub and my pi.
For the pi, I soldered a female usb plug like this to power my pi via USB -
https://www.amazon.com/gp/product/B072M6SJL8/
Since it's only supplying power you only need to solder the 2 outer USB pins (+5V and GND). With this you'll be sure to have plenty of power on tap to charge your phone AND use AA at the same time w/o problems.
The best thing is to power all your devices w/ a USB hub. This also allows you to make your USB ports more accessible. Mine sits in my glovebox.