All Questions
3
questions
69
votes
5
answers
475k
views
Can I use a charger with more output amperage than the device needs?
I've just bought a portable battery, but the portable battery don't comes with an adapter for the house current; it only comes with a USB cable so I can charge it with my laptop. My mobile phone came ...
8
votes
6
answers
26k
views
Charging a laptop though a USB-C power port with a low voltage/amperage
Let's say we have a new laptop with a USB-C port - like the new Macbook1 or the Chromebook pixel which, yes, are meant to be charged through these ports -, a good solar panel for smartphones (5V 3A ...
6
votes
2
answers
4k
views
Does it use less power to connect to a tethered phone using USB or wifi or bluetooth?
If you are tethering to the internet through your mobile and your notebook is low on power you may want that connection to use the least possible power for your notebook. A USB connection will charge ...