If you want a portable laptop charger with a round DC port ... The HyperJuice 245W USB-C Battery Pack is the heaviest model we tested, as well as one of the most expensive. In our output tests ...

Macworld At a glance Expert's Rating Pros ・Two integrated charging cables ・Equal performance on all USB-C ports ・Rubberized ...

The battery pack in question could only deliver ... and [victorc] is able to charge their laptop on the go. For all the benefits USB-C has brought, there’s been plenty of consternation, too.

Like any USB-C charger, look for the wattage at which the power bank can output power. A small laptop requires perhaps ... if you pick a high-capacity battery pack.

Inside any laptop battery pack, a battery charge controller keeps ... Battery controller chips speak SMBus, and [Viktor] started out by building a USB-SMBus tool. It’s a clever use of a cheap ...

For a high-capacity battery pack boasting two built-in USB-C cables as well as two ports, this is an affordable price. It is available in either Silver or Space Black colors. Space Black is shown ...