Parallel connecting USB power for higher currents
12411
Higher current draw from powerbank?
72043
Automatic switching between external 5V and USB bus power supplies
18771
Switch between 5V power supplies?
152407
Does a self-powered USB device have to connect to VCC from the host port?
120806
USB Charge and data separate cables
87422
Powering 12V device from 5/9/12V powerbank
67448
Can I use a charger with more output amperage than the device needs?
108626
Power on/off USB ports
89981
Can I safely connect the power-only-end of a USB-Y cable to an other power source?
148501
USB charging at 4.3 volts
137995
Powering a circuit from either USB or LIPO
57802
Is it good practice to parallel relay contacts for increased current capacity?
12033
What would happen if I connect two different DC voltage sources in parallel?
66787
Can USB 2.0 power a USB 3.0 external HDD?
49235
Does a power supply draw only as much power as it needs?
119534
How to force variable voltage fast charging power bank to output a certain voltage?
62968
OR-ing power supplies (diode or mosfet)