Powerful and Versatile: 2,600 mAh backup battery (powerbank) allows pass through charging; Output 2A use as a wall charger or powerbank back up battery Built-In LED Charging Indicator: LED light indicates charging status, blue light showing when it's properly connected 2 IN 1 Travel Friendly Design: 2 in 1 2,600mAh backup battery/wall adapter with foldable plug, plugs directly into your wall outlet device for convenient charging. Lightweight and compact for convenient portability Universal Compatibility: Compatible with most Android and Apple devices or any device that needs a charge Integrated Safety Features: Designed to prevent overheating, over current, over voltage and short circuit problems