I tried to use my 360 controllers for the first time in a few years the other day. The battery packs are very corroded, so I used qtips and vinegar to clean
How to Fix an Xbox One Controller That Won't Turn On
Theres some battery corrosion down in this xbox 360 controller battery pack. How do I get it out? : r/xbox
Microsoft XBox 360 Wireless Controller 1403 Works Clean No Battery | eBay
Xbox 360 Rechargeable Battery Pack Tear Down : 3 Steps - Instructables
Why is there liquid coming out of my Xbox 360 controller battery compartment? This has been happening to all of my controllers, is it dangerous? Is my controller still usable? - Quora
Corroded battery terminals : r/xbox360
Disassembly, Cleaning, and Reassembly of an Xbox 360 Controller. : 11 Steps (with Pictures) - Instructables
I just dug up my old Xbox 360 and found it to somehow work, only problem I had was that the controllers battery compartment looks like this and the controller doesn't turn
Ditch the Dirt: How to Clean Your PS5, Switch, and Xbox Series X/S Controllers | PCMag
Fixing The Xbox 360 Game Controller Corroded Battery Pack - YouTube