COMPATIBLE MODEL A1863 A1905 A1906   DESCRIPTION Brand New High Capacity POWERCELL Premium Zero Cycle Replacement Battery for iPhone 8. Replacement for damaged or non-working battery. 1980mAh long-lasting lithium-ion battery.   WARRANTY Phone LCD Parts recommends professional technician's installation. Quality Control Test: All products are tested twice and confirmed that they are in working condition before shipment. Phone LCD Parts offers one year limited warranty on spare parts, provided there are no visible scratches, ripped flex cables, or internal and physical damages due to improper or incorrect installation and/or handling. No warranty issued for a battery that has been used. If you have any concerns contact Phone LCD Parts, we are here to help!