Portable power supplies & adapters are a useful addition to your pack when out, and able to charge your phone, camera, or GPS device. It’s important to have some way of contacting friends or emergency services so full charge is important if you get caught in an accident. Browse Blacks' wide selection of the latest and best power equipment from leading brands such as GP Batteries, Biolite, Duracell and more to keep you powered in the outdoors.