Battery life: Battery life on the iPhone 14 got worse, however, down to 9 hours, 28 minutes in our testing from the iPhone 13's 10 hours, 33 minutes. The iPhone 14 Plus fared much better at 11
Apple iPhone 11 Apple iPhone XR Apple iPhone 8 Plus; Battery/Pixel density/Chipset: 3110mAh / 326ppi / A13 (2nd gen 7nm) 2942mAh / 326ppi / A12 (1st gen 7nm) 2691mAh / 401ppi / A11 (10nm) Video playback (Apple test) 17 hours: 16 hours: 14 hours: Internet usage (Apple test) n/a: 15 hours: 13 hours: YouTube playback (PA test at 200 nits) 7h 13m
About lithium-ion batteries. iPhone batteries use lithium-ion technology. Compared with older generations of battery technology, lithium-ion batteries charge faster, last longer and have a higher power density, giving more battery life in a lighter package. Rechargeable lithium-ion technology currently provides the best technology for your device.
In Trusted Reviews' more synthetic selection of battery tests, the iPhone XR still impressed. An hour of Netflix ate through 4-5% and 8% after about 30 minutes of Asphalt 9. All these tests were. 489 312 730 224 85 732 667 547