S8 portable multifunctional UPS system combined with solar charging, storage and discharge control management as the design foundation, built-in high capacity and high performance lithium battery, using the current advanced lithium battery manufacturing process, with multiple safety protection, output energy strong, provide AC voltage output. DC two output mode of different voltage is convenient for different electrical appliances to supply. It is suitable for household power supply, emergency power supply, supporting dangerous rescue, supporting areas lacking power, providing camping or traveling power supply and so on.