Add as a preferred source on Google We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. Credit: Amazon Table of Contents EcoFlow’s portable generators are a great choice if you're aiming to replace a traditional gas generator for one that will provide backup power without the emissions, noise, and maintenance. The EcoFlow Delta 3 Max Plus is one of the company's bestsellers, designed for both emergency usage and outdoor or off-the-grid adventures. Right now, it’s 30% off, bringing it to around $1,000—its lowest price ever, according to price trackers . While it doesn’t pack as much of a punch as a pricier whole-home backup system like the  EcoFlow Delta Pro Ultra , the Delta 3 Max Plus's expandable 2,048Wh battery and powerful 3,000W output with 6,000W surge make it suitable for a running range of appliances and tools.…