Autonomous power supply for smartphones and more. It doesn't get any simpler or more environmentally friendly: the sun provides the energy, and the power bank distributes it. Up to three devices can charge simultaneously on the 20,000mAh solar power bank with an 8W solar panel. The PD output of the USB-C port delivers up to 20 watts of power, enabling fast charging for smartphones, tablets, and other mobile devices. Sustainable technology and smart features: four foldable solar panels capture the sun's energy and store up to 20,000 mAh in the power bank. Even in darkness, this power storage proves to be a helpful tool, as it includes a strong LED light with a flashlight and SOS function. Safe and protected: the 20,000mAh solar power bank with an 8W solar panel is dust and splash resistant according to IP54 standards, making it suitable for outdoor use. Additionally, the electronic components are protected against overcharging, deep discharge, short circuits, and overheating. The power bank comes with a USB-C cable and a handy wrist strap.