Will this work for a few very low powered devices if the power plug is not plugged in?
1674548
Probably not, though it runs very well and its about the best to chose from right now. I am sure they will become more available later this year. Though with the USB 3.1 spec coming soon... who knows.
1674549
This thing by itself didn't even work for me. Most reviews are from people who got it for free...I actually bought it and it was not detected by any pc in my house
162635
Yes, as long as you use a grounded outlet. Some of the outlets are two prong instead of grounded.
1648456
YES. It draws no power unless a device is attached. Cables only attached drew no power. I used a Kill A Watt to confirm. Hope this helps.
483589
No, it is really for low power items and charging things like cell phone, ipods, ipads, computers.
1572796
As long as you have enough power connections... You may have to order the right kind of power cable, or an adapter cable through Amazon (should be less than $10).
469916
I would think that would work. The power button is on the 12 volt plug, so if you hard wired to a switch it should work.
2048001
I thought this was my answer, but since it has to be plugged in and most plugs are low and behind things, it didn't work. I ended up getting something else. Good luck
330363
Sure, as long as your USB supplies 5V power, which most USB do, it is worth a try, as its only taking power, it wont work if there is no power, and there wont be any damages which I encountered, though you try at your risk.
573407
It will power just about any load that is below its maximum power rating. It does not accept three prongs but will power AC adaptor items with two prongs.
1945469
It uses a standard mini USB connection and Power requirements should be similar if not the same. It should work.
635069
For Backup in case power is lost. But, I wouldn't buy it--it doesn't work well
103777
haven't tried, but there's no reason why it shouldn't. it's basically a remote on/off switch, so will power whatever's connected to it. just depends on how many watts you have connected to it, whether the circuitry is rated for it. but any amount that a power strip can handle should work.
1153497
No it will not, the power adapter is where it is getting power for the device.
489218
it will work only if the 12 volt dc power supply outputs a 12 volts at 5 amps minimum
1935242
Th unit requires electricity. So, if you can plug it in, then it will work.
1320994
I don't think so. This is more for devices that require less power, like a camera or a GPS.
2267852
The answer to this question is absolutely yes, but it will take a very long time to do so, probably so long you don't need to worry about it. Even if no devices are plugged in, there is still a small amount of current (quiescent current) drawn by the device that converts the battery voltage to USB voltage (5V). I am an electrical engineer that designs power supplies.