I’ve got a Lenovo Thinkpad L14 laptop whose original 65w charger outputs 5v, 9v, 15v and 20v. The original charger is a USB-C PD charger.
Due to failures in the original charger, I got a Ugreen 65w charger (no GaN), but it has available output voltages of 5v, 9v, 12v, 15v, 20v and 21v. The amps are ok.
My question is simple: Is it safe to use? I see that the Ugreen charger has additional voltages 12v and 21v, I don’t know if that could break the laptop battery or something else.
