Insten 3.8V 1440mAh Li-ion Internal Replacement Battery kit for iPhone 5 (with Replace Parts Repair Tool Kit Included) - Walmart.com
Amazon.com: Battery for iPhone 8, Upgraded 3300mAh High Capacity, New 0 Cycle Battery Replacement Kit for iPhone 8 A1863 A1905 A1906 with Professional Repair Tools : Cell Phones & Accessories