Laptop power charging interface is not appropriate, with a laptop power adapter adapter?
3, interface matching. Power interface to the same, the DC interface requires positive and negative interface is right.
2, the current enough. The output current of the power supply can not be lower than the current of the appliance.
Can not.
Xian Yuan is able to use, depends on several aspects:
1, the same voltage. The same as AC or DC.
???? You are all DC, but the voltage is different, with a condition on the negative.
