Mi Power Bank that has 20,000 mAh power to charge your various devices at once. It has dual USB ports that let you charge 2 devices at the same time. This white colored power bank is ergonomically designed and is lightweight so that you can easily carry it in your pocket or handbag. Keep your devices charged always with Mi 20,000 mAh Power Bank that has a powerful 20,000 mAh battery backup which can charge absolutely every electronic device like your phones, tablets, digicams and more. Its lithium-ion polymer battery is supplied by Panasonic/LG and it has energy densities of up to 728Wh/L. It can fully charge a Mi4 for 4.5 times, 7 times an iPhone 6, 3 times an iPad Mini and 1.2 times a MacBook.