Specification: - Capacity: 20000mAh - Type: Li-Polymer battery - Weight: 415g - Input: Mini USB 5V/1000mA - Output: 2XUSB 5V 1000mA&5V 2100mA Color: Black Security Protection Design: - Over-charging protection - Over current protection - Over discharge protection - Short circuit protection Features: - 1 Super Bright LED - Press the Button to show the power capacity; - With Blister Packing Package Included: - 1 * Allpower PowerBank - 1 * USB spring cable - 5 * PCS mobile phone connector - 1 * Use Guide