Innogie C8 Pocket Size Portable Charger External Battery Pack, Power Bank & Charger for iPhone, iPad & Samsung Galaxy & More, Black, 6000 mAh Ultra-compact size in aircraft aluminum case, very easy to carry in pocket or bag High capacity of 6000 mah, can give iPhone 5S almost three full charge and one full charge to a galaxy S5 or one full charge to iPad mini Texas instrument battery management IC, nine levels of protection, up to 93% energy conversion rate LG grade a cells and premium microchips ensure reliability and safety, charge time: 3-4 hours via ac 1.2 AMP adapter (not included) Compatibility and package content: the Innogie smart battery pack is compatible with most commercial smart phones and 5V tablets