iPhone X, iPhone 8 & iPhone 8 Plus Battery & Screen-On Time Comparisons
iPhone 8 review: so this is what good battery life feels like | iPhone 8 | The Guardian
iPhone X Vs iPhone 8 Vs iPhone 8 Plus Battery Life | Redmond Pie
Which iPhone Should I Get? | Reviews by Wirecutter
The iPhone 8 Is a Perfect Example of Why Battery Life Never Gets Better
More iPhone 8 Pluses have reportedly burst open after battery swelling | Mashable
Amazon.com: [3500mAh] Upgraded Battery for iPhone 8/8G,FBTDCHOK High Capacity 0 Cycle A+ Battery Replacement for iPhone 8/8G,with Complete Repair Tool Kit,8 only : Automotive
Amazon.com: TAYUZH [4000mAh] Battery for iPhone 8 Ultra High Capacity Replacement Battery for iPhone 8 A1863 A1905 A1906 with Professional Repair Tool Kit and Instruction : Cell Phones & Accessories
iPhone 8 - Technical Specifications
iPhone 11 battery size confirmed in new regulatory filings - 9to5Mac
iPhone 8 Plus Battery Replacement - iFixit Repair Guide