Questo alimentatorino con Volt in uscita variabili... che ne dite?
100W Laptop Power Adapter 3-Piece Kit (15V-24V Output) 
- A universal power adapter specially designed for notebook use
- A switching-mode power supply operated at input AC voltage 95V to 265V and output DC voltage of 15V-20V/4.5A max 22-24V/4A max, with protective functions.
- Equipped with different connectors and selectable power output to assure compatibility with most notebook models
- 8 pieces swappable connectors
Grazie
Ale