Battery replacement problem, iphone SE second generation
I found that the nearest authorized support service is a Best Buy in my area, and made an appointment online to get the battery replaced. When I called to confirm my appointment and ask the cost, they said they did not have any batteries on site, and I should try to get one myself and bring it into the store at my appointment time so they can replace it. I have been unable to find out the part number needed or where I can get one. Help?