Which is better, Copen charger or SIP

Kopen's chargers usually support fast charging, faster charging speed, suitable for the pursuit of charging speed users but SIP's charger charging speed is relatively slow need to charge for a long time. Kopen's chargers are usually suitable for a wide range of devices, and are more compatible Xipu's chargers are usually suitable for specific brands or models of devices, and are relatively less compatible, so Kopen's chargers are better.

The charger is a high-frequency power supply technology, using advanced intelligent dynamic adjustment charging technology. Industrial frequency machines are designed with traditional analog circuit principles, the machine internal power devices.