Shell Material: Plastic Charging Devices: for Tablet Charging Devices: for Drones Charging Devices: for Camera Charging Devices: for Smartphone Input Interface: Micro Usb Battery Type: 18650 Lithium Battery Features: Support Quick Charging Features: with Flashlight Features: Digital Display Writtern above side : 20000mAh Battery Capacity: 55000 to 8000mAh Support Quick Charge Technology: Two-way Quick Charge Output Interface: Double USB Weight: 245g Is LED Lamp Illumination No Retun no Exchange