Taking more than 2.1A from a two-port "2X 5V / 2.1 A" USB powerbank?
423
Choosing power supply, how to get the voltage and current ratings?
103400
How can I connect two different DC power sources together?
117910
How to drive multiple LEDs from a Li-ion battery (with varying voltage)?
68560
Is it safe to use a power supply with a different laptop?
77631
Powering Arduino from a voltage divider
4854
Using multiple power supplies in one PC
137542
Y USB Cable with external 5V supply
23438
How can I replace 2-prong receptacles in a code compliant way?
49235
Does a power supply draw only as much power as it needs?
65365
How does USB Power Delivery work with voltages above 5V without damaging 5V peripherals?
156300
USB data transfer with a separate power source
119036
What are the consequences of using a low-wattage USB-C power supply with a MacBook Pro?
144882
Do Inverters change the lithium-ion batterie's mA capacity and wattage?
133167
Can I use I2C over 2m cables?
14196
Is it safe to implement a split power supply from two identical AC/DC adapters?
10649
Adding mAh when wiring battery cells in series?
91091
Can a USB 2.0 cable support USB 3.0 charging?