Noontec Powa 5200 Mobile Power Bank External Battery 5200Amh Dual USB Charge Ports with High Speed Charge Technology for iPhone iPad Kindles Samsung Galaxy Android Smart Phones and More (White) Only a chocolate stick body size but 5200mAh power capacity. It is smallest size of the external mobile phone battery in the market capacity over 5000mAh. Come with dual USB charging ports that allow you to charge two devices at the same time. Supports most popular devices like iPhone, iPad, SAMSUNG smart phone and many other smart phones. The max charging current can be up to 2.1A that make charging faster. Smart charge technology makes such a battery auto detect what model connected, delivers right charging current, stop charging after phone battery is full. Technology makes charging smarter.