Domestic products are good! Advantages: Cheap heating, less charging speed, good product support!!! This brand has made many brand notebook chargers with certain strength. The appearance is a little bigger than the original. Fairly good workmanship.

E Energy Core Apple 14.85V 3.05A-BT power adapter

The power adapter is very small and easy to carry. There is a green indicator light when charging

E-Energy Core Dell 19.5V 2.31A-X Ultrabook Power Adapter

It feels very light. The quality is estimated to be average, but it can be used after one hour. I don't know how long it can be used. Let's review it later

E-core Lenovo 20V 4.5A-K power adapter