Default behavior of a USB device in the presence of 5v
136662
Troubleshooting why Powerbank Doesn't Charge Cell Phone
117095
USB-C Chargers: Is it safe to charge a phone with a laptop's power supply?
146907
How can I avoid the battery charging when connected via USB?
82647
Why do some devices have 200V on the case?
5100
What determines the forward voltage drop for a diode?
7362
Laptop power supplies, does current matter?
151905
Powering circuit directly from USB while charging li-ion battery side by side
156051
Why do many electronics operate on 5 AND 3.3 Volts?
87294
Power off an USB device in software on Windows
46017
Any tips or tricks to hasten USB device detection and initialisation?
149436
How to restrict/cut power output to a USB client?
51
Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?
67468
How do I create a "hybrid" USB stick?
4007
Why is a laptop power supply output voltage different from its battery?
71535
Does driving an microcontroller's GPIO when it is powered off weaken the chip?
62968
OR-ing power supplies (diode or mosfet)
100157
Running 2 5V USB battery power packs, Can I use them in parallel