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 that comes with 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 Courier (Shipping costs borne by the buyer, round trip) 3. Items already purchased cannot be exchanged. Why choose 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 void if: 1. Protective layer is damaged / torn / scratched. 2. IC is not original Hippo (Replaced / Modified). 3. Incorrect installation. Package consists of: 1x Battery 1x Warranty Card 1x Adhesive Glue. Warning: 1. It is recommended that installation 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 synchronize with the gadget. 3. Store in a cool place and avoid very hot temperatures. A video unboxing is required upon unboxing; without a video unboxing, the warranty is VOID.