On the power adapter problem

Users questions: Universal power adapter can I ask? Power output is almost on the line as long as it is to have less voltage and current cars?
Experts answer: Hello: - 1, different specifications of the "power adapter" is not common, the key points are: , the voltage must be consistent, otherwise it will burn with the electrical , Or can not work; , power adapter "output current" must be greater than with the electrical current, otherwise, the power adapter "overcurrent" and burn; , power adapter and use the interface must match the electrical Otherwise, can not connect. , positive and negative polarity to be consistent, to avoid accidents.
  • This information provided by the users.Thanks!