Overview
- CNET’s standardized comparison of 35 phones, using a three‑hour Wi‑Fi video stream and a 45‑minute mixed stress test, ranked the iPhone 17 Pro Max first for battery performance.
- Averaged across models, Apple led brand results at 91.7%, with the base iPhone 17 tying the OnePlus 15 despite the iPhone’s much smaller battery.
- Coverage credits the A19 Pro chip and tight iOS‑hardware integration for Apple’s runtime lead rather than sheer battery capacity.
- The iPhone 17 Pro Max is widely reported to house roughly a 5,088mAh cell, though Apple does not publish official capacities.
- Tipster Digital Chat Station claims the iPhone 18 Pro Max may use about a 5,000mAh battery in China and roughly 5,100–5,200mAh internationally, a provisional supply‑chain rumor that has not been confirmed.