Hippo Lithium Battery with Japanese technology. Smartphone battery capacity will naturally decrease over time. Hippo Battery is a guaranteed quality, durable, and warranted replacement battery solution with Double IC Protection, to avoid 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, round trip) 3. Items purchased cannot be exchanged back Why choose ORIGINAL HIPPO Battery for your iPhone?? 1. ORIGINAL HIPPO Battery uses Lithium-Japan battery technology 2. Capacity matches original 3. Double IC Protection Warranty is not valid if: 1. Protective layer is damaged / torn / scratched 2. IC is no longer 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 During unboxing, a video unboxing is required. Without a video unboxing, the warranty is VOID