All Questions
51
questions
-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 ...
1
vote
1
answer
3k
views
Phone Discharging When Connected to Laptop
I have got a Microsoft Lumia 532 which keeps discharging at a greater rate than normal when connected to my laptop (Dell XPS L502X) using a USB cable, instead of charging. I am not really sure about ...
- 11
0
votes
2
answers
15k
views
Is it safe to use the 5v/2A charger on a device with 1.5A max input [closed]
I have a 8000 MAH rechargeable lantern with power bank, the max input is 1.5A.
Based on my recent research, this is what I am concluding, please confirm if my finding 1, 2 are correct. #3 is a ...
- 11
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 ...
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 ...
- 1,401
1
vote
2
answers
5k
views
Is it fine to run a dc motor through USB cable connected to my laptop?
I have a dc motor which needs more than 10V to run efficiently, so instead of running it on electric cells, I usually run it using my laptop's power. I connect a USB cable to my laptop and the other ...
- 111
3
votes
2
answers
218
views
What will happen powerwise if you plug a USB-C device to another USB-C device?
If you have a USB-C phone or tablet and you plug it into a laptop with USB-C, which device gets charged? Or no charging will occur? People charge their phones through their laptops all the time, how ...
- 2,931
0
votes
2
answers
16k
views
Can I charge my laptop using a power bank using my laptop charger?
I have a Dell XPS-1530 laptop with a 9 cell battery. It's working fine but I was just wondering whether I could use a power connector or something to plug my laptop charger's 3 pin plug into another ...
- 1
3
votes
4
answers
7k
views
Does charging a Li-ion battery smart phone through a computer's USB port put additional strain on the battery vs a wall charger?
I was curious about this. I read that you should generally avoid completely discharging and then full charging your Li-ion battery because this can strain the battery (though some suggested doing this ...
- 1,045
1
vote
1
answer
1k
views
Windows Tablet data and power from one USB
My Windows tablet has one mini USB port which is used for charging the tablet's battery as well as for data transfer but because there is only the one USB port it won't let me do both at the same time....
1
vote
3
answers
99
views
Safe to charge USB devices while doing other power-consuming tasks?
I just recently got an iPod, and I completely forgot that without an adapter you have to hook it up to your computer by USB port to charge it, sync, etc. I currently have it plugged into the front USB ...
- 39
3
votes
2
answers
391
views
USB External Battery Packs for devices other than Phones/Tablets
I'm trying to build a wireless/mobile monitor. The monitor will be included in a wheeled cart, so I have some limited storage available in the cavity behind the monitor, but not much. The cart itself ...
- 28.2k
1
vote
2
answers
74
views
Is MicroUSB powerful enough to charge MiniUSB devices?
I have a few MiniUSB devices, living in a very MicroUSB-dominated world. It would be much more convenient for me to leave a MicroUSB charger plugged in all the time, and just throw on an adapter when ...
- 13.9k
0
votes
1
answer
58
views
tablet + wired network + recharging
Can any tablet simultaneously recharge and use a non-wireless network?
The goal is like an always-on kiosk-like touchscreen, in a location that forbids wifi. Ethernet (not Internet) would be e.g. ...
- 2,521
1
vote
0
answers
2k
views
Can short circuiting kill a USB cable?
I have a power strip and four things were connected to it. My air filter, laptop, Samsung Galaxy Tab, and Motorola Droid 4.
For the phone and the tablet, there are actually 2 components to the ...
- 397