5200mAh Capacity: Power at your disposal. With this High Capacity Power bank Reserve you"ll have 5200mAh of charging energy to keep you working harder and playing longer, day and night. Dual USB Charging Ports: Offering both a 1A and 2.1A USB Charging Port, you can charge multiple mobile devices at lightning-fast speeds. Because sharing IS caring. Lithium-Ion (Li-Ion) Storage Technology: This high capacity Li-ion power bank allows for easy recharging and efficient power discharge without the inherent dangers of carrying around standard alkaline replacement batteries. USB-To-Micro Charging Cable: Suitable for charging most small personal devices including mobile phones and MP3 players. The universal USB port can also charge non-micro USB input devices.