: As an Apple Authorized Service Provider, Best Buy can perform official battery replacements using genuine parts. DIY Replacement Kits
For safety and guaranteed parts, it is best to visit a certified technician. where to buy a iphone 6 battery
: Highly regarded for quality, iFixit sells a Battery Fix Kit for approximately $29.99 that includes the battery, adhesive, and all tools needed for the repair. : As an Apple Authorized Service Provider, Best
If you prefer to do the work yourself, you can purchase third-party batteries that often come with the necessary tools (suction cups, pentalobe screwdrivers, and spudgers). where to buy a iphone 6 battery