Over the years, iFlowPower has been offering customers high-quality products and efficient after-sales services with the aim of bringing unlimited benefits for them. Portable Power Station Pure Sine Wave We have been investing a lot in the product R&D, which turns out to be effective that we have developed Portable Power Station Pure Sine Wave. Relying on our innovative and hard-working staff, we guarantee that we offer customers the best products, the most favorable prices, and the most comprehensive services as well. Welcome to contact us if you have any questions.It produces very little heat during its whole operation process. Unlike many alternatives which heat up after they are used for 2 hours, it is totally different from them, said by some of our customers.