No, you need to apply what the nameplate of the device calls for. 300 milliamp is 17 times smaller that what is needed for its operation.
You also need to know the Voltage and wattage. Amps= Watts / Volts. Try this iPhone App "Watts2Amps"
Volts.
the amount of energy of electrons is measured in volts by using a voltmeter
if you are mesering its presure it is volts
Amps is an electric current unit and watt is an electric power unit.
14 volts
Miliamps aren't like volts, it should not matter how many miliamps are provided, a piece of technology will only accept what it needs, so, the answer is yes it will work.
30 volts of ESD
You also need to know the Voltage and wattage. Amps= Watts / Volts. Try this iPhone App "Watts2Amps"
By electric volts
2 volts
25,000 volts
Here are a few examples... - The electrical current is monitored. - The current of electricity is measured in volts. - The electrical current of telephone wiring is 82 volts. They may not be worded the same, but they have the same initial meaning.
Electric potential.
Volts are a measure of electric potential difference.
Volts.
Electric Iron by far.