CWK&reg; Laptop Charger AC Adpater Power Supply Cord Plug for HP Probook 6545b 6550b 6555b 6560b 6565b NW199AA#ABA HP ProBook 6565b 6570b Pavilion dv6-6b22he HP Spare Part Number 609940-001 463955-001 609947-001 609940-001 HP/Compaq 409992-001 608428-003 384020-001 6830S 6910P 8510P 8510W 6830s 6910p nx8420 nc8430 8510p 8510w 8710p 8710w 87TOUCHSMART TM2 CQ50 CQ60 CQ56 CQ56-115DX CQ56-109WM CQ56-134CA CQ56-154CA HP/Compaq EliteBook 8710w 878530p 856930p Input Volt Range: 100-240V (Worldwide Compliant) Output: 19.5V 4.7A 90W (65W Compatible) CWK AC Adapters manufactured with the highest quality materials. Built-in overload, over-voltage, and short circuit protection; 100% compatibility with the original. 90 Days Money Back Guarantee! Buy with confidence! Products trademarked CWK are marketed and sold exclusively by CWK TECHNOLOGY. We focus on providing quality power products and excellent customer service