LENMAR Goliath 16500 mAh External Portable Battery Pack and Charger with 1 USB Port - Retail Packaging - Black 16500mAh to fully charge iPhone up to 8.5X; Charges smartphones and other USB devices through built in 1A USB port Included Fast AC Power adapter for quick and easy charge Sleek brushed black design with Blue LED Indicator displaying remaining capacity Additionally capable of powering & charging laptops (adapter tips included 1 Year Warranty