All Questions
9
questions
0
votes
1
answer
323
views
If I connect a USB-HUB to a USB 3.0 port and then plug my android tablet in the hub for USB Tethering, How much power transfer should be happening?
So, I have been tethering my tablet with my PC for a long time and I noticed that It charges pretty fast when connected through USB hub compared to normal tethering on USB 3.0 port. I installed Ampere ...
0
votes
1
answer
73
views
Vaporizer not recognized by windows when charging through USB [closed]
I would like to check the voltage (V) and current (A) with which my XMax Starry v3 vaporizer is being charged. I have tried different ports but it doesn't seem to make a difference. Do devices that ...
1
vote
1
answer
5k
views
If I charge my iPhone using MacBook USB, while the Macbook is charging, will that affect battery life negatively?
If I charge my iPhone using a MacBook USB port while the MacBook is charging, will that affect battery life (of either the MacBook or the phone) negatively?
I would think not, since the battery is ...
0
votes
1
answer
35
views
I have an old Dell computer but the charger does not work
I have an old dell computer that has the regular charging socket malfunctioning.
I have been trying to find if I can use a charger that has USB C and then use an adapter on the laptop to convert USB A ...
0
votes
1
answer
245
views
Can I charge a simple Nokia phone which has USB input (5V=450mA) with a 5V=2A/7V=1.8A/9V=1.8A/12V=1.3A supply? [closed]
I have a Nokia Asha 501 Dual Sim phone which comes with the power supply as stated in the title. It recently broke, and I decided to test if the phone's USB port which I thought was only for data ...
-3
votes
1
answer
7k
views
How to charge a laptop through the usb port [duplicate]
I know that there is a way to charge your laptop by plugging a USB connector into your laptop and then plugging the other end into a wall charger as I know a friend with a ThinkPad who does it. I just ...
2
votes
1
answer
3k
views
Charge my laptop/external laptop power bank from usb-output-only power banks?
I want available backup power for my laptop (ASUS ux51vz, 19V/4.74A), I've got a pile of 10-20k mAh power banks, and I'd like a solution to marry the two somehow.
I know that I can get an external ...
0
votes
3
answers
735
views
Can I charge my nexus 4 with a USB port meant for pendrive in my car using an FM transmitter accessory(it has a USB port for pendrive) [closed]
My point is Nexus 4 needs 2.2 Amp for charging properly however the unrated USB port on FM transmitter will not be providing that much current as it is meant for a pen drive. When I connect it to my ...
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 ...