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Big iPhone battery life comparison: do the iPhone 17 and 17 Pro hold up better than the rest?

•Author: NaKmo Flow•Department: Review4 views

We tested various iPhone models running iOS 18 and iOS 26 to see how the updates affect the devices' battery life.

Big iPhone battery life comparison: do the iPhone 17 and 17 Pro hold up better than the rest?

Autonomy Summary Table

iPhone modeliOS 18iOS 26Change after update
iPhone 17 Pro Maxnot tested7 hr 57 min-
iPhone 17 Pro Max (eSIM-only)not tested8 hr 6 min 🏆-
iPhone 17 Pro (eSIM-only)not tested7 hr 9 min-
iPhone 17not tested6 h 51 min-
iPhone Airnot tested6 hr 29 min-
iPhone Air with MagSafe Batterynot tested10 h 51 min-
iPhone 16 Pro Max8 hr 28 min7 hr 29 minholds 59 min less
iPhone 16 Pro6 hr 5 min5 hr 58 min7 min shorter
iPhone 16 Plus8 h 50 min 🏆8 h 4 minholds 46 min less
iPhone 167 hr 3 min6 hr 19 minholds 44 min less
iPhone 16e7 h 40 min7 h 48 min8 min longer
iPhone 156 h 35 min5 h 43 minholds 52 min less
iPhone SE (2022)3 h 53 min3 h 34 minholds 19 min less
iPhone 13 mini4 h 52 min4 h 29 minholds 23 min less

Conclusions

  1. The iPhone 17 Pro Max (eSIM-only) performed the best among all iOS 26 models - 8 hours 6 minutes.
  2. The iPhone 17 and 17 Pro hold a steady charge, better than most previous generation models.
  3. On iOS 26, most older iPhones lose some battery life:
  4. For example, the iPhone 16 Pro Max holds 59 minutes less, the iPhone 16 holds 44 minutes less.
  5. The exception is the iPhone 16e, which lasts 8 minutes longer after the upgrade.
  6. iPhone Air with MagSafe Battery significantly increases battery life - up to 10 hours 51 minutes.
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•#iphone 17#iphone 16#ios 18#ios 26#battery
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