how is phone charger into an AC outlet to charge my phone dangerous

There are a few potential dangers associated with charging your phone using a phone charger plugged into an AC outlet:

1. Overheating: Using a low-quality or damaged charger can cause overheating, which can lead to electrical fires or damage to your phone.

2. Electrical shock: If the charger is not properly insulated or the outlet is not grounded correctly, there is a risk of electric shock when plugging or unplugging the charger.

3. Short circuits: If the charger or phone is damaged, it can cause a short circuit, which can lead to overheating, fires, or damage to your phone.

4. Overcharging: Leaving your phone plugged in for extended periods of time can lead to overcharging, which can shorten the lifespan of your phone's battery or even cause it to explode in rare cases.

To avoid these dangers, it is important to use a high-quality charger that is specifically designed for your phone, and to avoid leaving your phone plugged in for extended periods of time. Additionally, regularly inspect your charger for any signs of damage or wear and tear, and replace it if necessary.