Aprelco UL Listed Screw Terminals AC Adapter Wall Cable Charger Power Cord 18VDC (Positive inside) 1A FITS 100mA 200mA 250mA 300mA 500mA 600mA 700mA upto 1000mA 18W with OD: 5.5mm Barrel Plug Tip

PwrON is specializing in the production of high quality and economical replacement Power supply for laptop, tablet, phones and other electrical appliances.
Products manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating . Chargers are certificated with CE FCC etc.

If you don't know whether the machine can use this adapter, you can view your original adapter's output parameters (voltage, current) whether conform to. if lost the original adapter, you can check the parameters at the bottom of the computer, or your illustrations of the machines.