I think I've fixed the Nvidia shield controller issue with ghost movements by soldering two 1.2MOhm resistors in parallel with left/right potentiometer. Any attempt by anyone to do it too is at
Replacement Battery for Nvidia Shield Game Controller,Shield TV Game Controller,P2920,fit Part no HFR-50AAJY1900x2(B),HRLR15/51,1800mAh/4.32Wh/2.4V : Amazon.ca: Video Games
Games Console Battery for Nvidia P2920, Shield Game Controller, Shield TV Game Controller - 1800mAh, 2.4V | 888203397
How To Fix The nVidia Shield Controllers Battery (2022) - YouTube