This DC adapter 19V 6A is built with the latest power supply technologies and the quality components materials to enable high performance. High-frequency AC-to-DC flyback converter with green-mode power-saving operation enables high power density and lowest no-load power consumption, to comply with global efficiency standards including DoE Level VI and EU CoC V5 Tier-2. The IN1906000 19 volt dc adapter features full protection to maximize the reliability. These features include OLP(Over Load Protection), OVP(Over Voltage Protection), output short-circuit protection. The 19V adapter incorporates a pair of U shaped internal heat sinks to achieve efficient natural convection cooling, enable higher operating temperatures and reliability (see our UL/TUV certification).