ZHENHUAN electronic AC / DC power adapter—ZF120A Class 2 Series formally acquired UL 1310 certification (CLASS 2 POWER UNITS) on April 5, 2017.
What is QC 3.0? QC 3.0 is a charging protocol designed by Qualcomm, it offers stepless multi-voltage charging from 3.7V to 20V; your device can receive the perfect voltage and current optimized to its exact charging state. Your device needs to support Quick Charge to receive any benefit.
Why led light with isolated power is more expensive than the led light with non-isolated power? 1) More devices on the power supply circuit board, more cost. 2) Better stability, better quality. 3) Not easily affected by the influence of AC electricity.
Google and Apple have both launched new mobile computers recently, and although the machines are quite different, they have something in common: both include USB Type-C ports. So what exactly is USB Type-C?
In February 2016, the U.S. Department of Energy (DoE) enacted energy efficiency regulations that require external power supply to meet Energy Efficiency Level VI.