External Battery, Lankoo Lipstick-Sized Battery Bank 2600mAh Portable External Battery Charger Battery for iPhone, iPad, Samsung, HTC, Nokia, LG, Sony, Blackberry and More USB devices(Map) Unique: beautiful fashion design and scratch-proof printing process Surface: coated UV brilliant oil and touched as smooth surface Capacity: 2600mAh rechargeable Li-Ion battery(External Battery 1.2 times full charges to iPhone) Safty: 4 layers PCBA to protect against short-circuit and high temperature Intelligent: 4-LED power indicators and automatic charge, 5V 2.1A output for all smartphones and tablet PC