Phonebuff compares battery life of all iPhone 15 models. 15 Pro Max = 27:44 hours, 15 Plus = 27:35, 15 = 25:42 and 15 Pro = 25:07. : r/apple
iPhone X battery life: How it compares to 8 and 8 Plus - CNET
Apple iPhone 15 Plus - External Reviews
Apple iPhone 15 Plus Review: Large screen, Marathon battery
Apple iPhone 15 Plus Review: Large screen, Marathon battery
IPhone 15: Apple iPhone 15 Pro Max gaming experience: A game-changer for gamers - Times of India
iPhone 15 Pro and iPhone 15 Pro Max review roundup
Apple iPhone 15 Plus Review
iPhone 15 Plus review: Closing the gap on the Pro Max - PhoneArena
iPhone 15 Plus review: the year's most surprising iPhone
iPhone 15 Plus takes the crown in battery life test, beating all previous iPhone models - 9to5Mac
iPhone 15 Plus review: Closing the gap on the Pro Max - PhoneArena