Samsung 11 XE310XBA Chromebook Super Fast Charging USB-C AC Power Adapter - EP-TA845. Tested, fully functional, and ready to replace your defective part.
Amazon.com: mCover Case Compatible for 2020~2022 11.6" Samsung Chromebook 4 XE310XBA Series Laptop Computers ONLY (NOT Fitting Any Other Samsung Models) - Black : Electronics