Can I charge a 19V laptop with an 18V charger?
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.
Are all Toshiba chargers the same?
Are All Toshiba Chargers The Same? There are several types of power adapters and chargers available for Toshiba laptops, each of which corresponds to the model number. There will be different chargers for different Satellite, Satellite Pro, Tecra, and Portege models, depending on their voltage and size.
Can I use a 20v charger for a 19V laptop?
Yes: technically it can be used, but you need a higher amount of power (watt).
Can I use a 19.5 volt charger on a 19 volt 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.