Is it OK to charge a normal charge phone with a fast charger?

Any USB device connecting to the charger will receive 5V and can draw maximum 1.8A, so the output is within the USB standard specification. To receive 9V, the device needs to talk to the charger and ask it to switch to 9V.

Does the adapter matter for fast charging?

Fast Charging Is the Result of the Compatibility of A Fast Charger, An USB Cable and A Device. It has been clear that both the charger and the USB cable determine the charging speed. Hence, the fast charging speed is dependent on both the fast charger and the USB cable which supports fast charging.

Does USB 2.0 support fast charging?

Also, USB 2.0 and 3.0 cable does not result in fast charge. Rather, USB 2.0/3.0 port on PC provides high current output as well as data transfer rate. On PC, USB 3.0 gives you around 2000mAh current with good cable, whereas 2.0 gives approximately 500mAh.

What happens if you use 65W charger instead of 45w?

As long as it is the same voltage and connector type you can use a higher watt adapter. It will charge the battery a bit faster but other than and the size of the brick you will see no difference.

Can I use the fast charger for other devices?

You can use it also for other phones or devices, without any risk of damage. The fast charging mode (higher power output) is only enabled if a phone is requesting it from the charger. Without this request, the charger will behave like any other USB power supply.

What is fast charging and why is my phone charging slow?

Fast charging? Why some cables charge faster than others. Your cable could be slowing down your charging speed. Your cable influences the charging speed of your device so even if you have the latest fast charger you might still not be charging at the fastest possible speed.

How does the fast charging mode work?

The fast charging mode (higher power output) is only enabled if a phone is requesting it from the charger. Without this request, the charger will behave like any other USB power supply.

Why do some cables charge faster than others?

Why some cables charge faster than others. Your cable could be slowing down your charging speed. Your cable influences the charging speed of your device so even if you have the latest fast charger you might still not be charging at the fastest possible speed.