Quick Answer: Can I Use A Lower Wattage Charger For My Laptop?

Can I use a lower wattage charger for my MacBook?

Your MacBook requires a power adapter with the right wattage.

You can easily use a compatible charger with a higher wattage, though it won’t charge your MacBook any faster.

If you use a charger with a lower wattage, it won’t provide enough power for your MacBook..

Can I use a 45 watt charger on a 65 watt laptop?

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. The laptop will only draw the current it needs while running.

Does higher wattage mean faster charging?

But to reiterate the point from Wired’s article, it’s a myth that you will reduce phone battery life or blow up your phone by charging at a higher wattage than its standard charger offers. Newer, higher wattage chargers simply speed up the charging process.

Can I use a 19.5 V charger on a 19v laptop?

Voltage: 19.5V and 19V is a relatively small voltage difference. It is most probably safe to use as long as: The current of the charger is the same or higher than that of the laptop. … The output power (Amps * Volts) of the original and the new charger differs in 0.6 Watts, the 19.5V charger having more output power.

Can I use a 90w charger on a 45w laptop?

The laptop has limits to how much charge the battery will accept at any time . … If the output voltage is the same, you can use a 90W charger on a 45W laptop BUT cannot use a 45W charger on a 90W laptop. On the condition of same voltage, laptops and other devices will never overpowered.

Can you charge a laptop with 12v?

No, since most of the laptops need a 16v power supply, powered by a 19.5V, 4.5 amps charger. The 12v battery may not be able to power the laptop. Car adaptors could be used, instead.

Is 60w enough to charge MacBook Pro?

In general, 27W is enough to maintain or slightly recharge the battery when the computer is not under load and 60W is enough to recharge the battery even when the computer is under moderate load. For more details, see the diagrams below and check out our test results when recharging a MacBook Pro.

Can I use a 90 watt charger on a 130 watt laptop?

Generally the answer is yes, but it won’t supply enough power to charge the battery while you’re using your laptop. This will probably invalidate your warranty and could cause damage to your laptop, but the changes for that are small.

Can I use a 19v charger for a 20v laptop?

Yes: technically it can be used, but you need a higher amount of power (watt). if the adapter is 19V 6A, it might start the PC but you will have strange side effects.

Can I use a higher watt charger for my laptop?

Yes, Your laptop has been designed to draw up to a certain amount of power when running at full power. … This means that you can quite safely use a charger with a higher wattage (or amps) rating as the laptop will only ever draw the amount of power required at the time.

Can I use a 60w charger instead of 45w?

You can always use an adapter that has a higher power rating than is required as long as the voltage rating is the same. … Power adapters for Intel-based Apple notebooks are available in 45W, 60W, and 85W varieties.

Will a 45 watt charger charge a MacBook Pro?

10 Answers. You can safely use the 85W adapter on any Mac, it will only draw as much power as it needs. The 45W adapter from the MacBook Air may just about manage to power your MacBook Pro but it won’t charge it. It will not damage your Mac, but you may notice the battery may still deplete when using it.

How many watts do you need to charge a MacBook?

Almost all computers that charge via USB-C have a maximum charge speed of 60 watts—the 15-inch MacBook Pro can charge at up to 87 watts, and the 16-inch model maxes out at 96 watts, making them the most noteworthy exceptions.

Can I use a 65 watt charger on a 90 watt laptop?

Yes, you can use a 90 watt ac adapter, a.k.a power charger, for your 65 watt-compatible laptop. It will actually charge your battery faster.

Can the wrong charger ruin your laptop?

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 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.

Is it OK to use a different laptop charger?

The short answer is; No. You should never intentionally use another laptop’s charger on your laptop. It doesn’t matter if you’re in a pinch or if your battery is about to die. Plugging a different charger that isn’t meant for your specific model will not lead to anything good.

What is the difference between 45w and 65w charger?

You can definitely use the 65W charger. The brick will be a little larger and heavier and it will charge your battery a bit faster. The plug and the voltage are the same so it works with your laptop fine.