# Question: What Happens If You Use The Wrong Power Adapter?

## Does higher wattage charge faster?

Use a wall charger But not all wall chargers are equal.

In general, the higher the device’s wattage, the faster it can deliver a charge to your iPhone..

## What happens if amps are too high?

A higher voltage than a device is designed for will most likely blow up some components, but amperage is derived from how much current is actually drawn, based on the device’s resistance, so having “too much” is not a problem and will do no harm.

## Can I use a 19v power supply on a 12v?

19V is generally going to fry any device that was designed to run at 12V (especially consumer products). And while it’s not very likely it might also catch fire. For a AC adapter to work you will need one with the exact voltage (12V) and an equal or higher current rating (1.5A or more).

## Can I use a 2a charger for a 1a device?

The current draw (Amperes) is controlled by the device you plug in. So if you plug a 1A device into a 2A charger, it will still only draw 1A. … If you plug a 2A device into a 1A charger, you will only get 1A. The device will charge more slowly (1/2 speed roughly) but everything will be fine.

## Can using the wrong charger damage your phone?

Using a Non-Apple Charger is Dangerous. They say that charging your iPhone with non-Apple brand cell phone cables can damage your device. … The truth is that the user was using a knockoff charger, which caused the damage to the phone. The act of charging and using a phone at the same time is not inherently dangerous.

## Can a 9v power adapter be used for a 12v device?

Adapters are designed to output their rated current at their rated voltage. If more current is drawn, the voltage will sag. If less current is drawn, the voltage will rise. For example, the output voltage of a 9V adapter with nothing connected to it could measure up to 12V.

## Can I use a 90 watt charger on a 120 watt laptop?

When the current is less than the rated value, the output voltage is higher. In the case of Laptops the regulation is probably in the Laptop and if that is the case then no problem using the larger (120 Watt) as the current (output power) will be the same for either the 90, or 120 Watt brick.

## Will any 12v adapter work?

Voltage has to be an exact match. A 12V DC device needs a 12V DC adapter. … If your device states it is 12V 3A, a 3A adapter can handle that load, but so can a 4A and 5A. The higher amperage (amp) power supply will not have to work as hard to handle a smaller load, and will run cooler and more stable.

## What happens if you use the wrong laptop charger?

Using a charger with the wrong voltage rating can potentially damage your laptop. This is typically caused by too high voltage. But using a charger with too high current won’t damage your laptop. Using a charger with too low current rating might fry the power supply, but not the laptop.

## Can I use a different power adapter?

Your computer will use more power, in the form of higher amperage draw, when it’s working hard than when it’s not. (Voltage remains the same regardless.) Thus, as long as you replace your power supply with one capable of providing as much or more amps than the previous supply, you’ll be fine.

## Should I charge my phone to 100 every time?

For years, it’s been said that letting your phone charge all the way to 100% will result in the battery degrading faster compared to unplugging once it reaches 80% or so. … According to Cadex (the world’s largest manufacturer of battery testing equipment), who should know, 50% to 80% is ideal for lithium batteries.

## Can I use a 45w charger instead of 65w?

If the voltages match, the 45W should just charge a bit slower than the 65W. I would refrain from running anything heavy though, as it may be more load than the adapter can handle and it will drain the battery as well.

## Can a charger be too powerful?

Yes, it is absolutely safe to charge a device with a charger that has more current capacity than needed. Since the voltage is held constant (5V), the only factor that determines current draw is the load (another term for resistance) the device places on the charger.

## Is it OK to leave cell phone charging overnight?

Yes, it’s safe to leave your smartphone plugged into the charger overnight. You don’t have to think too hard about preserving your smartphone’s battery — especially overnight. … Though many people do it anyway, others warn that charging a phone that is already fully charged will waste its battery’s capacity.

## Is it bad to charge your phone multiple times a day?

Giving your phone a full recharge is not fatal for a phone battery, and it seems almost counter-intuitive not to do so, but giving it a full recharge every time you charge it will shorten its lifespan. Likewise, at the other end of the scale, avoid allowing your phone battery to get below 20%.