Guy-Tech 230W Replacement AC Adapter Compatible with HP 8770w i7-3820QM 17.3 8GB/750 PC, 8770w i7-3840QM 17.3 16GB/256 PC, 8770w i7-3840QM 17.3 16GB/750 PC, 8770w i7-3840QM 17.3 4GB/750 PC

Specifications and features: - Input: 100V - 240V 50/60Hz (Worldwide Voltage Use) - Replacement: This Adapter is a Brand New Replacement One, Not Original - Built-in protections: Over Voltage output Protection; Over Current output Protection; Short Circuit output Protection - Performance: High Power exchange efficiency to control working temperature and stable working This 230W Guy-Tech AC adapter is designed as a direct replacement for the listed HP 8770w configurations and delivers reliable, protected power with worldwide input compatibility.