65W wired AC replacement charger for compatible ASUS VivoBook and related laptop models. Provides 19V at 3.42A output and supports compatible 45W systems. Uses a 4.0 mm x 1.35 mm round DC connector and universal 100-240V, 50-60Hz AC input. Compatible with select VivoBook F412, F512, X512, F510, X540 and related series, with built-in over-voltage, over-current, short-circuit and thermal protection.