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Can you use a 19V adapter on a 20v device?
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 65w adapter on a 45w laptop?
Yes, that’s right. Wattage is a measurement of how much power a supply can provide. If your computer requires 45w, but your power supply can provide 65w, you will be fine.
Can you use a 19.5 V charger on a 19V laptop?
The 19.5V vs 19V will not matter (it is a small enough difference); as long as the current rating on the charger is at least as much as the current rating printed on the laptop it will be fine. The chargers are “generic”; the same model is used for various laptops even with the OEM chargers.
Can you use 19V charger 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.
Can I use a power adapter with higher voltage?
Voltage too high – If the adapter has a higher voltage, but the current is the same, then the device will likely shut itself off when it detects an overvoltage. The device could power on and draw more current from the adapter than it’s designed for. This could cause the adapter to overheat or fail.
Can you use 19v charger 18.5 V laptop?
Can I use a 12V power supply on a 19v laptop?
No.No.No.No. To expand on Tae’s reply, no, no ,no. If you don’t use the proper voltage and amperage adapter the battery will not charge, and the laptop will be very unstable, if it even runs at all.
Can a 20v 3.5A power adapter be used on a laptop?
Yes: technically it can be used, but you need a higher amount of power (watt). if the laptop needs 20V 4A and the adapter gives only 20V 3.5A it might not even start (maybe if the battery is fully charged) so if the adapter gives 19V 3.5A it will not work (if it does it is not good for the Adapter, might become warm and eventually burn out)
Which is more 20v or 19V for a laptop?
20V is just 5% more than 19V, which technically is the far end of the +/-5% tolerance of input voltage. However, your laptop would only leech what it needs from the power brick.
Is there an AC adapter for a 19V laptop?
On the back is a label that reads: Input +19V 3.42A, 65W. I lost the a/c adapter. I charge the battery now with an Liteon ac adapter that reads: Output 20V, 6A, and the laptop is not getting any warmer then before while charging.
Can a 20V power supply be adjusted to 19V?
You can also see inside of your 20V power supply if there is a trimming pot for output voltage. Some power supplies have them. With a Volt meter you can adjust the voltage to read 19V, but most likely you will not need it.