I left my original power adapter at a venue where I presented so replaced it originally with a travel adapter which was too short and the plug part was so heavy it would fall out of plane plugs. This one is absolutely perfect and definitely the one you want!
Power adapter is working fine. Hopefully it will remain that way. I purchased an off-brand one and it died after three months. This HP one has a one year warranty.
I got a USB C hub from HP, and wanted a compatible USB C charger to minimize cable clutter. This works very well, stays relatively cool, and, hopefully, will last.