Can you use a laptop charger to charge your phone?

In general, yes, you can use a laptop charger to charge your phone. However, there are a few things to keep in mind:

Make sure that the laptop charger has the same connector as your phone. Most phones use a USB-C connector, but some older phones use micro USB or Lightning connectors.
If the laptop charger is not a USB-C charger, you may need to use an adapter to convert the connector to a USB-C connector.
Make sure the laptop charger outputs the same voltage as your phone charger. The voltage is usually printed on the charger itself. If the laptop charger outputs a higher voltage than your phone charger, it could damage your phone’s battery.
Make sure the laptop charger outputs enough amperage to charge your phone. The amperage is also usually printed on the charger. If the laptop charger outputs too little amperage, it will take longer to charge your phone.
If you are using a USB-C laptop charger, make sure it supports Power Delivery (PD). PD is a standard that allows chargers to output different voltages and amperages. This means that a PD charger can be used to charge a variety of devices, including phones, laptops, and tablets.

If you follow these guidelines, it is safe to use a laptop charger to charge your phone. Just be sure to check the voltage and amperage of the charger before you use it.

Here are some additional tips for using a laptop charger to charge your phone:

Do not use a laptop charger if your phone is wet. Water can damage the charger and the phone.
If your phone starts to feel hot, stop using it and unplug it from the charger. Overheating can damage the battery and shorten its lifespan.