IP67 dust, shock and waterproof case Capacity: 20100 mAh Battery type: Li-ion, high quality LG-brand Input voltage: 5 V Output voltage: 5 V Input current: 2 A Output current: Total 3.9 A / Output 1: 2.4 A | Output 2: 1.5 A Connectors: 1 x Micro USB female, 2 USB A female 4 LED lights battery indicator 1 flashlight (up to 30M) Charging time by AC adapter (1.0 A): 16-20 hours for full charge Charging time by AC adapter (Min. 2.0 A): 8-10 hours for full charge