A:AnswerIf you had an older controller I used to swap out the parts to create my own controller. I’m not sure some retro gaming stores might carry some parts that they would have for that.
A:AnswerUnfortunately, you can't trade the pack-in controller for a different one, however you may be able to trade in your controller for a discount using Best Buy's trade-in program. Go here for more info: https://tradein.bestbuy.com/client/#/catalog/product-families/gaming-hardware
A:AnswerIt should be compatible. I know my battery packs for wireless charging say the same thing and it was a little tricky putting it in the slot. I would just flip it around and keep trying. This is the right controller for your battery pack. Just keep trying.
A:AnswerThe controller doesn't come with a recharge battery, but you can buy any rechargeable battery for the controller. Microsoft does sell a rechargeable battery pack. Energize rechargeable batter are good as well.