Hippo Lithium Battery with Japanese technology. Smartphone battery capacity will naturally decrease with prolonged use. Hippo Battery is a reliable replacement battery solution that is guaranteed high quality, durable, and comes with a warranty, as well as Double IC Protection to prevent overcharging and short circuits, making it more durable and safer. Before checking out a HIPPO ORIGINAL Battery, please read the following: 1. 1 Year Official Warranty (Replace 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 Japanese Lithium 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 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 synchronize with the gadget 3. Store in a cool place and avoid very hot temperatures When unboxing, an unboxing video is required. Without an unboxing video, the warranty is VOID