Main Feature: Unique Design and Exquisite,Easy To Carry Not Only a Powerbank but also a Good Phone cases Good product for travel,Long distance Business High Capacity Battery case make your phone standby for a long time 1.Item name: Battery charger case 2.Battery type: lithium-ion polymer battery 3.Material: High Quality Plastic 4.Color: Black 5.Capacity & Compatibility: 5000mAh For Samsung Galaxy S21 Ultra 6.8inch Capacity: 5000mAh Input: 5V/2A Output of Battery Case: 5V/1.5A Output of USB Port: 5V/0.5A