The Asus ZenPower Ultra powerbank is very easy to carry, and features a high capacity battery of 20100 mAh. Featuring fast charging ports for up to two devices, the Asus ZenPower Ultra powerbank is not just a powerbank - it also includes a handy LED flashlight. The Asus ZenPower Ultra powerbank 20100 mAh battery is a vast power resource that has power to charge your devices multiple times and includes a 36 W output, designed to charge at high speed. When you're in a hurry, simply plug in a compatible device with Qualcomm Quick Charge 2.0 to charge up to twice as fast! The aluminum design and exterior reinforce the beauty and power concepts of this powerbank, whose ergonomic feel and smooth finish give it a luxurious look. Lastly, the high-intensity LED flashlight sends a super-bright beam of light whenever you need it. Other relevant characteristics: DC 5V / 2A or 9V / 2A input; output 1 & 2 (DC 5.1V / 2.4A, 9.1V / 2A or 12.1V / 1.5A). Charging times: <7.5 hours (9V / 2A); <11 hours (5V / 2A); <18 hours (5V / 1A). Weight of 420 grams.