Hippo Lithium Battery with Japanese technology. Smartphone battery capacity will naturally decrease over time with use. Hippo Battery is a replacement battery solution with guaranteed quality, durability, and warranty, accompanied by Double IC Protection to prevent overcharging and short circuits, making it more durable and safer. Before checking out the ORIGINAL HIPPO Battery, please read the following: 1. 1-Year Official Warranty (Unit Replacement / New Replacement) 2. Warranty Claims via Expedition (Shipping costs borne by the buyer for round trip) 3. Items already purchased cannot be exchanged. Why choose an ORIGINAL HIPPO Battery for your iPhone?? 1. ORIGINAL HIPPO Batteries use 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 Warning: 1. Installation is recommended to be done by trained technicians 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. During unboxing, a video unboxing is required; without a video unboxing, the warranty is VOID