Lytecase 2600 Mah Power Bank External Battery Charger for iPhone, Smartphone, Tablet, Ipad (Black) Small and Powerful: mini size fits easily into any pocket or bag, but is powerful enough to give up to charge up your device Powerful 2600mAh external mobile battery charger keeps your digital devices always powered Built-in 4 LED indicators to show the charging status and battery level, safe to use Provides a full charge for iPhone 6, 5, 4, and most smartphones (9 hours of additional talk time) Made of solid aluminum alloy with anodized processing, comfortable to the touch