SUPCASE 3000 mAh Ultra Compact External Battery Portable USB Charger Power Bank, 5V 1A External Mobile Battery Charger Pack for iPhone 7 7 Plus 6 Plus 5s Galaxy S7 Edge S6 and Android Device (Gold) Ultra compact design battery power bank with 5V/1A USB charging port The powerful 3000mAh built-in smart lion-thium polymer battery can provide more than a full charge Premium grade battery cells are adopted to ensure best performance for your device with fast charging time Tested multi-layer protection design ensures ultimate safety to use Advanced coating technology provides excellent anti-scratch/anti-slip capability and enhanced durability