Built-in Lightning Cable - Just plug in your iPhone and start charging, plug and play, no need to use an additional charging cable, the digital led display will show the current battery level to remind you to charge your portable battery charger, user-friendly design. Capacity - With a battery capacity of 5000mAh, this portable apple phone portable charger has the power to charge an iPhone once and provide 6 charges for air pods, mini but powerful, airplane approved, a must-have travels essential.