BioLite Charge 10 Portable Weatherproof 2600mAh USB Power Bank Stainless steel powerbank with 10 watt hours of power, 2600mAh, and 1 Amp USB output Weatherproof and Dunk-proof - IPX6 rated, can handle unexpected rain or spills Durable Housing - Stainless steel body is thinner and stronger than plastic designs Lightweight - Weighs just 3.2 ounces Pick Your Power - The BioLite Charge Series is available in 10, 20, and 40 watt hour models to charge phones, tablets, and any other gear you need to keep your day going Weather resistant, stainless steel USB Power Bank 2600mAh / 3.6V battery (1x smartphone) Dimensions: 0.82&#034; x 0.82&#034; x 3.98&#034; Weight: 3.2oz.