Guy-Tech 230W AC Power Adapter — Compatible with HP EliteBook 8730W, 8740W, 8760w, 8770w; 8440P, 8540P, 8540W, 8560W; dc7800, dc7900 Desktop PC; xw6600 Workstation — P/N: 693706-001

Compatible with HP EliteBook 8730W, 8740W, 8760w, 8770w series, 8440P, 8540P, 8540W, 8560W, dc7800 and dc7900 Desktop PCs, and the xw6600 Workstation. Input : 100V - 240V 50/60Hz Worldwide Voltage Use. This unit is a brand new replacement (not an original/manufacturer part). It includes built-in safety features: Over Voltage output Protection, Over Current output Protection, and Short Circuit output Protection. High Power exchange efficiency helps control operating temperature and provides steady, stable performance.