External 20000mAh Lithium Polymer Battery with integrated solar panel. The "S" series Power Banks combine great capacity with extreme portability. In particular, the S20 version integrates a 2W amorphous solar panel with a 500mAh charging current that allows, provided it is illuminated by sunlight, to extend the internal battery charge theoretically to infinity. The charge control system is extremely intuitive, and manages both the recharging of the Power Bank itself and the charging control of the connected devices. The 20000mAh capacity and 2A output current on 2 USB ports make it perfect for charging additional Smartphones and generally for mobile phones. The flexibility of use of the product is completed by the possibility of recharging the internal battery even from the Power Bank Micro USB or Type-C socket. Degree of protection IP54, that is to say also protected from the rain, and is perfect for outdoor activities such as camping and trekking. Integrates a powerful dual 3-function LED flashlight and a compass. It also has a carabiner. Dimensions 170x88x205mm. Weight 600g.