Haakon
has an accommodating arse
Really? I think I should.
How to Replace Your iPhone 6 Battery
Replacing the battery in your iPhone 6 is something you can do yourself with a few tools.
www.ifixit.com
iPhone 6 Battery
Replace a 1810 mAh battery compatible with iPhone 6. Battery installation adhesive is included.
australia.ifixit.com
or $20 on ebay for what im sure is totally a genuine OEM apple battery