There is no device for measuring power, the laptop is charging, it says that the charge is weak, but the charging time seems to be good, if I write something wrong.
Pros below:
Design, size, weight (4-5 times less than the stock laptop charging brick).
Got cons:
nitpicking))). A little staggers in my extension cords, (the extension cord has loosened inputs) and the head from which the plugs stick out, it is flat, it would be round, it would stagger less))), otherwise you need to disassemble the See full review