With the Honor Holly 4 Plus’ 4000mAh (typical value) high-density battery, its energy density can reach 710Wh/L. As the capacity retention rate is greater than 80% even after 500 times of recharge cycles. With Honor’s own power saving technology, you can use the Holly 4 Plus for more than two days on a single charge.The Holly 4 Plus adopts a bold new design and craft based on its 13.97cm HD display. The rondure of the front 2.5D glass perfectly links the screen with the body, giving the impression of a floating display when you turn on the screen. New features like Eye Comfort Mode helps you filter out blue light and provides relief to visual fatigue.