** ZDNET Recommends a Compact and Lightweight Power Bank for Outdoor Adventures. The Nitecore NB10000 Gen III power bank, weighing in at 150 grams, has been found to be the lightest 10,000mAh power bank tested. With dual USB-C ports, maximum output of 22.5W, and water-resistant design (IPX5), this compact pack is perfect for adventurers seeking a reliable source of power without added weight. ** Source: https://www.zdnet.com/article/finally-a-long-lasting-power-bank-thats-lighter-than-anything-ive-ever-tested/