Shenzhen Stepup Technology Co., Ltd. founded in 2013, is a high-tech enterprise specialized in R&D, manufacturing and marketing in portable power station, LED driver, the power supply of adaptor and charger. We have a strong and great developing team. all the products are developed by ourselves,the integrated factory provides a strong guarantee for our production. Our products include: Portable power station : 100W_3300W, 12V/24V/48V, Output AC 110V, 220V, both one-way inverter and two-way inverter, It has the function of expanding battery and parallel operation.The power station can be used for mobile phones, computers, any household appliances, car charging and vehicle emergency power, we set wifi,2-5G communication and GPS in software Inverter: 100W-3500W,12V/24V/48V, our inverter has low standby power, high efficiency and other excellent function. Led driver: Intelligent, dimming and drive bulb lamp, lamp bar, lamp belt and other light and drive. "Based on innovation, focus on quality, good faith service, sincere cooperation and continuous development" is Stepup's constant pursuit; for customers to provide high-quality, safe, reliable products are always the policy of company, we will constantly surpass ourselves and create value forcustomers as always to provide more high-quality technology productsand service.