Efficiently power your ASUS laptop from any compatible power outlet with the ASUS Power Adapter. This adapter keeps your laptop's battery topped up for extended hours of uninterrupted usage and even power the laptop without the battery. It provides a power of 120 watts and voltage of 19 volts. This ASUS notebook charger works with ASUSPRO Essential PU551JH, N501JW, ROG G501JW, G501VW, ZenBook Pro UX501JW and other models.