This DC power converter adapter features a universal 5.5 x 2.1 mm female input and a second-generation small square male output, acting as a convenient power conversion connector for laptops. It allows you to reuse your existing 5.5 * 2.1 mm power supply to charge notebooks equipped with the second-gen small square power interface, eliminating the need to buy an extra dedicated charger. High-quality copper internal terminals ensure steady power transmission, avoiding overheating, unstable charging or device shutdown under normal load. The sturdy insulating shell offers great protection against pin exposure and accidental short circuits.
Mini portable size takes up little space in bags, ideal for business trips, school and daily office use. Plug and play without complicated setup, perfectly suitable for daily laptop power supply replacement and backup charging scenarios.