Emergency Micro USB Power Pack, 1500 mAh: Compatible with devices featuring a Micro USB charging port, this convenient Power Pack provides power to your wireless companion while on the go or when no electrical outlet is available.Compact, Stylish Design. Convenient LED Indicator. Battery Type: Lithium-ion. Capacity: 1500 mAh. Input: 5V, 800 mA. Output: 5V, 500 mA. Charge Time: ~2 Hours.