dose it have its own power suplply (batteries)
630054
Yes it has it's own power supply that when charged with the usb cord plugged into your computer will operate on its own, depending on settings, for up to 3 hours. There is also an indicator light on it that changes colors to let you know when it is fully charged.
630055
There is a usb cable that you can plug in a computer to charge the batteries
630056
It has accumulated battery inside. You can charge it with micro usb cord. I think the battery can't be replaced.
1379571
Yes it came with its own power supply. We have a multi-tap supply to limit the number of power cords on the floor but it has its own.
760178
No.only powered by 1 AA battery. It has been very reliable so far. Very useful device. Recommend this device.
1381219
It does not use any battries, its just plug into power source and thats it. Nice machine.
1891748
Comes with its own power supply. It has a 110 AC household plug. The cord is a little short but I had no problems making it work.
2257046
Yes, it has it's own internal battery. As far as a complimentary, back-up battery, No it does not. That would be nice, and a very good selling point.
720949
No, it uses standard batteries but you can supply your own rechargeable batteries.
1282250
It does, but it uses very little energy. I have not changed batteries since purchase.
1275164
This Ynit has it's Own Power Source and Requires a Separate Plug-In. Buy this Unit; It really works!
104483
It comes with its own battery, a small rechargeable one similar to a cell phone battery. You charge the battery using the supplied cable. The cable can plug into a USB port or an AC outlet.
671005
No,it only has the power outlet connected to the wall and the battery section.
571086
Yes each one has it's own adapter, the base has an rechargeable battery & the other one (the hand held one) you put batteries in.
1426266
it has its own power. thats a great little amp for home use. we use it for a lap steel guitar
546360
It actually has it's own built in battery. It lasts about 5-6 hours, which isn't too shabby.
2112945
No. It runs on battery power which is recharged by either solar or hand cranking.
691695
U don't. It is supposed to have its own power supply which connects to an electrical outlet.
1514885
No, it powers up on it's own when connected to the USB cable that is provided with the package.