High Power Output: Delivers up to 120W (19.5V 6.15A) for fast, stable charging of HP Thunderbolt Dock G2 Wide Compatibility: Barrel Connector (7.4x5.0mm) works with HP Thunderbolt Dock G2 HSN-IX01 2UK37AA, G4 4J0A2AA, 120W power adapter with barrel tip such as 645156-001 693709-001 677762-001 and more Universal Voltage Support: Accepts global voltage input (100240V, 5060Hz), perfect for travel or international use Extended Reach: Comes with a total 10-foot cable (6-foot charger + 4-foot power cord) for convenient charging anywhere Portable and Safe: Compact and lightweight design with multiple protection functions such as overcurrent, overvoltage and short circuit