How each iPhone generation has aged

Median battery health against median device age at test, one point per iPhone generation.

envirofone
60%70%80%90%100%012345678910iPhone 16 Pro Max: 96% median health at 1.4 years old, across 383 traded-in iPhonesiPhone 16 Pro MaxiPhone 16 Pro: 92% median health at 1.6 years old, across 306 traded-in iPhonesiPhone 16 ProiPhone 16: 93% median health at 1.7 years old, across 304 traded-in iPhonesiPhone 16iPhone 15 Pro: 87% median health at 2.4 years old, across 948 traded-in iPhonesiPhone 15 ProiPhone 15 Pro Max: 87% median health at 2.4 years old, across 875 traded-in iPhonesiPhone 15 Pro MaxiPhone 15 Plus: 88% median health at 2.5 years old, across 272 traded-in iPhonesiPhone 15 PlusiPhone 15: 87% median health at 2.6 years old, across 1,492 traded-in iPhonesiPhone 15iPhone 14 Pro: 83% median health at 3.2 years old, across 1,120 traded-in iPhonesiPhone 14 ProiPhone 14 Pro Max: 84% median health at 3.2 years old, across 931 traded-in iPhonesiPhone 14 Pro MaxiPhone 14: 85% median health at 3.4 years old, across 2,407 traded-in iPhonesiPhone 14iPhone 14 Plus: 85% median health at 3.4 years old, across 368 traded-in iPhonesiPhone 14 PlusiPhone SE (3rd Gen): 87% median health at 4 years old, across 439 traded-in iPhonesiPhone SE (3rd Gen)iPhone 13 Pro Max: 83% median health at 4.3 years old, across 702 traded-in iPhonesiPhone 13 Pro MaxiPhone 13 Pro: 79% median health at 4.5 years old, across 1,249 traded-in iPhonesiPhone 13 ProiPhone 13 mini: 81% median health at 4.5 years old, across 923 traded-in iPhonesiPhone 13 miniiPhone 13: 82% median health at 4.6 years old, across 4,400 traded-in iPhonesiPhone 13iPhone 12 Pro Max: 79% median health at 5.1 years old, across 554 traded-in iPhonesiPhone 12 Pro MaxiPhone 12 Pro: 79% median health at 5.2 years old, across 1,041 traded-in iPhonesiPhone 12 ProiPhone 12 mini: 78% median health at 5.3 years old, across 1,013 traded-in iPhonesiPhone 12 miniiPhone 12: 80% median health at 5.4 years old, across 5,398 traded-in iPhonesiPhone 12iPhone SE (2nd Gen): 78% median health at 5.7 years old, across 1,208 traded-in iPhonesiPhone SE (2nd Gen)iPhone 11 Pro: 75% median health at 6.1 years old, across 506 traded-in iPhonesiPhone 11 ProiPhone 11 Pro Max: 77% median health at 6.2 years old, across 362 traded-in iPhonesiPhone 11 Pro MaxiPhone 11: 76% median health at 6.5 years old, across 5,691 traded-in iPhonesiPhone 11iPhone XR: 81% median health at 7.1 years old, across 1,597 traded-in iPhonesiPhone XRiPhone X: 80% median health at 7.9 years old, across 375 traded-in iPhonesiPhone XiPhone 8: 81% median health at 8.1 years old, across 809 traded-in iPhonesiPhone 8iPhone 8+: 79% median health at 8.1 years old, across 234 traded-in iPhonesiPhone 8+iPhone 7: 81% median health at 9.6 years old, across 394 traded-in iPhonesiPhone 7
Source: Envirofone iPhone Battery Health Index, September 2026, envirofone.comSee the full index →