【Outdoor lighting and LED Display Design】This 20000 mAh power bank has ten LED lights stap, one for outdoor lighting and the other for timely information on remaining power .LED light to get lighting in emergencies Equipped with an LED flashlight, which can provide illumination at night without lighting or in case of emergency, illuminating the surrounding environment more safely . Clear LED digital display lets you know the power before going .LED flashlight is helpful for reading, camping or emergencies Adopt smart protect technology for safer charging Multifunctional LED display shows real-time device charging information Digital display can provide real-time power charging status information, so you can always know the status of the device, more Safety and security for using of the product. 【Intelligent Safe Charging】Using high-quality smart battery pack to prevent the short-circuit, over-current, over-voltage, and over-heat. 【Auto-off function】 It will auto-off (within a minute) when the iPhone is fully charged or when no device is connected. 【Versatile charging options】: Charge your devices at home, in the car, or on the go. Chargii Classic fits anywhere. With the ability to add extra USB cables, this universal easy-to-carry external battery is compatible with all Android and iPhone-compatible cell phones, as well as Fi t-B it,, Bluetooth wireless headphones and speakers, digital cameras, GPS devices, and more! With the ability to add extra USB cables.