Your device battery will never dip into the red zone when you have the Belkin 10, 000mAh power bank. Designed to charge up to three devices at a time, this power bank has two USB-A ports and one USB-C port to deliver a total power of up to 15W. It gives your device an extended battery life of up to 40 hours and has an LED indicator to let you know what the charge status is. | Belkin 10000 mAh Dual USB Power Bank - Black