DELL 90V7W Notebook Battery 7.6V 56WH for DELL XPS 13 9350 Series Also Compatible with JD25G 7.6V 52WH for DELL XPS 13 9343 Best OEM Quality - Newegg.com
Solved: XPS 13 9350, 56W Charger - Dell Community
DIY: Replacing the laptop battery on your Dell XPS 13 - Techgoondu