3 ms·that while also being able to charge the machine through usb-c, that's what i'm looking for :)by cies 7y agothat while also being able to charge the machine through usb-c, that's what i'm looking for :)Kipters 7y agoI think they are using the barrel jack to charge it - get back here in 24 hours and I'll have an answer to whether it works :)cies 7y agomy machine, a Lenovo T420, does not even have another option for charging than usb-c...