Guidelines

Will a 19V charger work on a 20V laptop?

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Will a 19V charger work on 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 20V charger on a 18.5 V laptop?

The short answer is yes you can use a laptop charger with a higher wattage, however, there are some caveats. The wattage rating of a laptop charger is a maximum rating which means that the charger is capable of providing power up to the output wattage rating and or course anything in between.

Is 65W charger compatible?

doesnt charge at 65w for my surface pro 7 like original surface charger….

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Compatible Devices Smartphones, Laptop, Tablets
Connector Type USB
Special Feature Fast Charging
Connector Type USB
Brand IEDS

Can I use a 18v charger for a 19v laptop?

Yes it is ok to use 18.5v charger as this voltage is lesser than the rated voltage of your charger(19 V). Amperage (3.5A v/s 2.37A) is insignificant as the current is dependent on the load (i.e Laptop) and not on the source.

Will a 19v charger work on a 19.5 V laptop?

It’ll be fine. Laptops have internal high-precision voltage regulators which convert down from the very roughly-regulated voltage supplied by the charger to the exact voltages they need for different things so half a volt won’t make any difference.

Can a 90w adapter work for 65W?

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 I use 18V adapter for 19v?

Yes should be ok just,as you should try and keep to less than 5\% difference if possible. Make sure the power output is equal to or greater than the 18V one.

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Can I use 60w charger instead of 65W?

Yes you can use a lower wattage charger for your laptop but incases that your laptop will be in High Performance mode of will be needing more power for your graphics card if you’ll do games with it chances are it may shut down on it’s on or will lag.

Can I charge my laptop with a 75 watt charger?

Your laptop had a 65 watt PSU and will need that much to charge the battery while the laptop is turned on. A 19 volt 3.93 amp 75 watt charger will give you a bit more power to charge while you are using the laptop. A 90 watt, 19 volt and 4.73 watt will give more charge and will not damage your laptop.

Can I charge my laptop battery with a 19 volt charger?

Yes, that one will over volt your motherboard and battery charging circuit. You need a 19 volt charger with the right connector. The amperage is not as critical. Your laptop had a 65 watt PSU and will need that much to charge the battery while the laptop is turned on.

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What is the difference between a 5A and 8A power adapter?

For example, your laptop may be rated for an 8A draw, but in reality, it only draws around 5A. Conversely, an adapter may be rated at 5A, but can withstand currents up to 8A. Also, some adapters and devices will have voltage and current switching or detecting features that will adjust the output/draw depending on what’s needed.

What is the voltage and current of a USB wall adapter?

Standard USB devices have a 5 V dc voltage and a current up to.5 A or 500 mA for charging only. This is what allows them to play nice with the USB ports on your computer. Most USB wall adapters will be 5 V adapters and have a current rating well over.5 A. The iPhone USB wall adapter I’m holding in my hand right now is 5 V / 1 A.