The wording is a bit odd but I can confirm it fits 13 Pro Max! The box says '2021 XL', which seems odd. But it fits perfectly! The buttons are all the same, as are the speakers and charging port.
NinjaBatt High Performance Battery For Toshiba A665 And L755 Series - 6 Cells/4400MAh/48Wh
40 Review
Perixx Peripad-202H Black Wired Numeric Keypad With X-Scissor Keys, 2 USB Hubs, And Tab Key For Enhanced Productivity
44 Review
F FORITO 2-Pack Anti Glare Screen Protectors For 2022 MacBook Air 13.6" With M2 Chip - Protect Your Device From Scratches And Fingerprints
33 Review
Sennheiser HD 206 Closed-Back Over Ear Headphones - Discontinued Model
195 Review