Input voltage: Worldwide 100-240V, 50 - 60Hz. Output Voltage:DC 15V/16V/18.5V/19V/19.5V/20V, max 70W. Compatible 65W 45W 33W laptop power adapter [High Quality, Factory Sales Directly] Made of high quality and durable materials. With safeguard features against incorrect voltage, short circuit, internal overheating [Multi-Connectors] Together with a set of popular laptop tips that can charge most devices between 15-20v. Super convenient when you want to share power adapter with friends or on a family trip. But this adapter could not charge ALL laptop models