The output of a mobile charger is DC (Direct Current). While it plugs into an AC (Alternating Current) outlet, the charger's primary function is to convert the AC voltage from the wall outlet into a DC voltage that your phone can use to charge its battery.
Here's a more detailed explanation:
Understanding AC and DC
To fully grasp this, let's define AC and DC:
- AC (Alternating Current): The flow of electric charge periodically reverses direction. This is the type of electricity supplied by power grids and found in wall outlets.
- DC (Direct Current): The flow of electric charge is only in one direction. Batteries, solar cells, and many electronic devices use DC.
Mobile Chargers: AC In, DC Out
Your phone requires DC power to charge. Because wall outlets supply AC power, a mobile charger acts as a power adapter/converter.
| Feature | AC (Alternating Current) | DC (Direct Current) |
|---|---|---|
| Flow Direction | Reverses Periodically | One Direction Only |
| Source | Power Grids, Wall Outlets | Batteries, Solar Cells |
| Use in Phones | NO | YES |
The mobile charger performs AC-to-DC conversion. According to provided reference, the phones use DC to charge. Your phone charger converts the AC mains to a suitable DC voltage to charge your phone i.e. typically 5V. The main reason why phone chargers work on AC input is because it is widely available and you can have access to a wall outlet almost everywhere.
Why Use AC Input?
The reference clarifies why chargers use AC input:
- Availability: AC power is widely available through wall outlets.
- Convenience: You can easily plug your charger into a wall outlet almost anywhere.
In conclusion, while a mobile charger connects to an AC power source, it outputs DC power that is necessary for charging your mobile phone.
