At iFlowPower, technology improvement and innovation are our core advantages. Since established, we have been focusing on developing new products, improving product quality, and serving customers. Portable Power Station Pure Sine Wave If you are interested in our new product Portable Power Station Pure Sine Wave and others, welcome you to contact us.iFlowPower is made of materials which are carefully selected and sourced. The raw materials used do not contain any toxic or harmful substances such as mercury, lead, polybrominated biphenyl, and polybrominated diphenyl ethers.