Question: Can I Use A 90w Adapter On A 45w Laptop?

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 130w adapter on a 65w laptop?

The laptop will only draw the current it needs so you will not fry anything. You can use an adapter with more amps and the same voltage and the same physical connection without any problems. It will even charge the battery faster.

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

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

Does higher watts mean more power?

The Wattage of the light is the amount of energy it takes to produce a certain amount of light. The higher the wattage, the brighter the light, but also the more power it uses. … 100 Watt incandescent lamp produces 1700 – 1800 lumens and uses 100 Watts of energy per hour.

Can a bad charger ruin a laptop?

However many laptop manufacturers manufacture laptops that can use multiple different chargers, and vice versa. Just make sure the output supply voltage is almost the same, and the output current either greater than or equal to the original. Even a poor quality adapter is very unlikely to spoil the laptop.

Is it safe to use lower wattage charger for my laptop?

You can not use a charger with a lower wattage rating. A 30W or a 45W charger can not supply sufficient power for your laptops needs which means you could damage the laptop and/or the charger.

Can I use a 65w adapter on a 45w 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 the wattage matter for a laptop charger?

Watts are supplied “on demand” to the battery that’s being charged, so even if you’re over the device’s limit, it doesn’t cause problems. … A laptop will typically call for watts between 45 and 100. Not all chargers will list the watts, but if the amps and voltage match, you’re usually in the clear.

Can I use a 19v charger on a 19.5 V 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.

What happens if you use the wrong charger for your laptop?

Using a charger with the wrong voltage rating can potentially damage your laptop. This is typically caused by too high voltage. … Using a charger with too low current rating might fry the power supply, but not the laptop. As the difference in voltage in this case is small, it should be OK.

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.

Can I use a 90w adapter on a 65w 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. But, and this is a big but, you cannot use a 19 Volt ac adapter on an 18.5 Volt-laptop.

Can I use a 90w adapter on a 120w laptop?

You should need a 90W for your DV6. Under the battery you will find the power requirements. … The rating inside the laptop battery compartment is 18.5V & 6.5A so 120W. The rating on the charger is 19.5W & 4.61A so 90W.