The output power of a mobile phone charger refers to the electricity it outputs, usually expressed in watts (W). Generally speaking, the higher the output power of a mobile phone charger, the faster its charging speed.
To calculate the output power of a mobile phone charger, the first step is to understand its voltage and current. Most mobile phone chargers have a voltage of 5 volts (V) and a current of between 1 and 2 amperes (A). This means that a typical mobile phone charger has an output power of 5 to 10 watts.
For example, if a mobile phone charger has a voltage of 5 volts and a current of 2 amperes, its output power can be calculated using the following formula:
Output power (watts)=voltage (volts) x current (amperes)
Therefore, the output power of the charger is 10 watts (5 volts x 2 amps=10 watts).
It should be noted that some chargers may operate at different voltages and currents, thereby affecting their output power. In addition, attention should also be paid to using high-quality chargers to ensure their safety and reliability.






