EZOPower 5200mAh External Backup Battery is the perfect solution for emergency power and power on the go. 1 USB output and 1 built in Micro USB Charging Port design enables charging 2 devices simultaneously and rapidly. Long lasting battery provides up to 36 hours movie time for iPhone 5. When battery is fully charged, it can be used to charge an iPhone 5 up to 3 -4 full cycles. This is the perfect unit for campers, travelers, or gadget enthusiasts. Features: 4 LEDs indicates battery capacity. On/Off button to start or end charging Reliable Lithium-Ion Battery with Integrated Microchip Prevents Overcharging. 500+ Recharge Cycles Over the Life of The Battery Charge battery via built in USB cable from PC, laptop, or USB AC wall adapter (Not included) Works with most original or generic USB cable(s), such as iPod/iPad cable Package includes 1 External Battery, 3 Mobile Phone Connectors, 1 USB Power Wire (APPLE® iPhone®/iPod® tips are not included.), Please use your own 8-pin or 30-pin Apple Cable to charge your apple devices Specifications: Battery type: Lithium-Ion Battery capacity: 5200mAh USB Input: 5V 1A (Built-in) USB Output: 5V 1.5A Micro-USB Output: 5V 1.5A (Built-in) Maximum current for output 1&2: 1.5A Weight: 121g ( 4.27 OZ ) Dimension: 92 x 42 x 24 mm ( 3.6 X 1.7 X 1 inch ) COMPATIBILITY Cellphones, Smartphone, iPhone, iPod, iPad, Tablets, MP3, MP4, E-readers, Sony PSP, Nintendo DS, DS Lite, DSI, GPS, Digital Camera One year warranty from Manufacturer