Recent laptops are increasingly compatible with quick charging on USB PD (USB Power Delivery).If it supports a USB PD, a tablet and smartphone can be shared in addition to laptops, and in many cases, the size is smaller and lighter than the AC adapter.Some products are compatible with multiple ports, and it is good to be able to charge multiple devices together.
The trouble, however, is that the power (W) required for charging a laptop is not listed in the specification column of the laptop PC, and there are many cases where it is unknown.
Since the USB PD charger is basically "large", there is no problem if you buy a charger with a large maximum output, but it is also thought that there is too much difference.Above all, a charger with a large output is large and heavy, so some of the benefits of USB PD are lost.
Also, if a low -output USB PD charger, which is mainly designed mainly for smartphones, is connected to a laptop, such as a maximum of 18W or 20W, the battery may be restored by powering in detail.If you can't keep up with consumption, or you may not be powered at all despite being recognized.
There are almost no cases written in the specification column of the laptop PC, and the current situation is that users must check on their own.
Therefore, this time, we prepared 11 notebook PCs for 10 companies, and connected with a USB PD charger from 18W to 100W to 100W.I checked what behavior of a laptop for each charger output.
Although it is a verification limited to the representative notebook PCs of each company, there should be some trends, so I think it will be helpful to select a USB PD charger.
記事目次(1) First, introduce the USB PD charger used for verification (2) Actually check the behavior of 11 notebook PC models (3) should I choose a USB PD charger with the maximum output "what W"?