The Noco XGB12 is an ultra-compact external portable charger and power bank for recharging mobile and USB devices, like an iPhone, iPad, Samsung Galaxy, Apple Watch, Beats Headphones, GoPro and more. Its impact and water resistant rubberized outer layer handle the abuse of the most extreme environments— water, dirt, dust and more. With 12,000 milliamp-hours of reserve battery power, you can keep your devices fully charged and ready to go.