Descriptions： This 2600mAh external mobile battery charger is designed with a standard 5V 500mA output USB port. It will help you to conveniently charge your digital devices while traveling out. It universal fits for iPhone, iPod, Samsung devices, HTC phones, digital cameras, game consoles, MP3/MP4 players and more. It has a compact size which saves space and convenient to carry anywhere. Powerful & Faster This Tulip powerful 2600mAh external mobile battery charger is designed to quickly solve the low power problem for your digital devices while on-the-go. You can simply charges all types of USB-port digital devices via a USB charging cable. Safe & Easy to Use This power bank is made of durable aluminum alloy with anodized processing, comfortable to the touch. It supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, safe and reliable. Portable and Space Saving It is compatible with most digital devices; one power bank solves the low power problem for your all USB digital devices. It is easy for carry with a compact size and also makes your travel lighter and easier. General Specs Capacity : 2600mAh Compatibility : iPhone 5S, 5C, 5, 4S, 4, 3GS, 3G, Kindle Fire HDX 7″8.9″, Other smart mobile cell phone Material : Aluminum alloy Input : 5V 500mA Output : 5V 500mA