Hippo Lithium Battery with Japanese technology. Smartphone battery capacity will naturally decrease over time with usage. Hippo Battery is a reliable replacement battery solution that offers guaranteed quality, durability, and a warranty, along with Double IC Protection to prevent overcharging and short circuits, making it more long-lasting and safe. Before checking out a HIPPO ORIGINAL battery, please read the following: 1. 1-year official warranty (Replacement Unit / New Replacement) 2. Warranty claims via expedition (shipping costs covered by the buyer for both ways) 3. Items purchased cannot be exchanged Why choose a HIPPO ORIGINAL Battery for your iPhone? 1. HIPPO ORIGINAL Battery uses Lithium-Japan battery technology 2. Original capacity 3. Double IC Protection Warranty is not valid if: 1. Protective layer is damaged / torn / scratched 2. IC is not original Hippo (Replaced / Modified) 3. Incorrect installation Package includes: 1x Battery 1x Warranty Card 1x Adhesive Warning: 1. Installation is recommended to be done by a trained technician to avoid damaging the battery 2. New batteries require 5-10 charge cycles to function at normal capacity as they need to adapt and sync with the gadget 3. Store in a cool place and avoid very hot temperatures Upon unboxing, a Video Unboxing is required. Without a Video Unboxing, the warranty is VOID