Apple calls the iPhone 18 Pro series the biggest battery-life jump in iPhone history. Here is how the iPhone 18 Pro and 18 Pro Max compare with older generations.
Battery Capacities
iPhone 18 Pro: 4,056 mAh (+1.7% vs 17 Pro). iPhone 18 Pro Max: 5,391 mAh (+11.7% vs 17 Pro Max). Figures from EU energy labels.
Apple’s Official Ratings (Video Playback)
18 Pro: 36 hours (+9% vs 17 Pro’s 33h). 18 Pro Max: 45 hours (+15% vs 17 Pro Max’s 39h).
Independent Lab Results
18 Pro Max: 18h 27m. 17 Pro Max: 17h 54m. 18 Pro: 16h 17m. 17 Pro: 15h 21m. 16 Pro: 14h 7m.
Why Battery Life Improved
A20 Pro 2nm chip, new C2 modem (15% less power), larger cells. Batteries retain 80%+ capacity after 1,000 cycles.
Charging
50% in ~15 minutes with 60W USB-C. 25W wireless via MagSafe/Qi2.
Verdict
Vs 17 Pro: ~1 hour more real-world use. Vs 16 Pro or older: 2+ hours more. 18 Pro Max is the longest-lasting iPhone ever.
FAQs
iPhone 18 Pro battery capacity? 4,056 mAh (EU).
18 Pro Max battery life? 45h video (Apple); 18h 27m lab browsing.
Much better than 17 Pro? Modestly — 9% Apple ratings, 6% lab tests.