Hippo Lithium Battery with Japanese technology. Smartphone battery capacity will naturally decrease over time. Hippo Battery is a guaranteed quality replacement battery solution that is durable and comes with a warranty, including Double IC Protection to prevent overcharging and short circuits, making it more durable and safe. Before checking out the ORIGINAL HIPPO Battery, please read the following: 1. 1 Year Official Warranty (Replace Unit / New Replacement) 2. Warranty Claim via Expedition (Shipping costs borne by the buyer for both ways) 3. Items already purchased cannot be exchanged Why choose an ORIGINAL HIPPO Battery for your iPhone? 1. ORIGINAL HIPPO Battery uses Lithium-Japan battery technology 2. Capacity matches the original 3. Double IC Protection Warranty is not valid if: 1. Protective layer is damaged / torn / scratched 2. IC is not original from Hippo (Replaced / Modified) 3. Incorrect installation Package consists of: 1x Battery 1x Warranty Card 1x Adhesive Glue Warning: 1. Installation is recommended to be done by a trained technician to avoid damaging the battery 2. New batteries need 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 When unboxing, a video unboxing is required. Without a video unboxing, the warranty is VOID