Anker is a brand that has all types of chargers. They have various power banks: from compact models for in your coat pocket to versions you can charge your tablet or laptop with. With a 10,000mAh power bank, you can fully charge your smartphone about 2 times, depending on the battery of your device. In addition to regular power banks, Anker also has MagSafe power banks for iPhone models, useful charging docks for on your desk or nightstand, and chargers for daily use.