> And the smaller the screen, the less battery you need too. Sure, but the larger the screen the larger the battery that can fit. Apple themselves report that

> And the smaller the screen, the less battery you need too. Sure, but the larger the screen the larger the battery that can fit. Apple themselves report that the iPhone 13 pro max will last longer than the pro, and the regular 13 will last longer than the mini. Third party testing confirms for Samsung as well, with the s21 ultra lasting much longer than its smaller brothers.