The EcoFlow DELTA Pro is the next leap in portable power technology,offering you power security and independence, wherever you are. EcoFlow DELTA Pro Portable Power Station has high capacity from 3.6kWh to 10.8kWh, it has Powerful 4500W X-Boost to meet 99.99% power needs and 6500W MultiCharge and the fastest charging in the market, providing home backup power solution with EcoFlow ecosystem. Rigorously tested by our expertly trained engineers, reconditioned EcoFlow units offer you a like-new portable power station experience with a significant savings.