1£ºPremium Solar Bank - The portable solar charger, built-in 30000mAh high capacity lithium-polymer battery, high efficiency concentrating solar panel. With long service life and unlimited charging under sunlight, especially suitable for camping and outdoor adventure, hiking, business flight or other emergency. 2 £ºBattery Pack with 4 Inputs and 3 Outputs - This solar power bank supports charging and discharging and supports 3 devices at the same time; What's more, it is allowed to use Type-C, Lightning, Micro or solar panel to charge the power bank, the humanized design provides more convenience for your daily life. 3£ºSafe Charging - Built-in smart chip with protection function. Automatically adjusts to the best charging state; Prevent overcharging, over-discharging and over-current accidents, and provide you with a safer charger. 4º Excellent design and flashlight - The double-layer PVC material, sturdy and durable, the surface is tinned to prevent scratches; Long press the power