Thumb Score: +5 Certified refurbished EcoFlow RIVER 2 Portable Power Station 256Wh - $169-15% Certified refurbished EcoFlow RIVER Pro Portable Power Station 720Wh - $359-15% coupon STEPINTORIVER15 5 yr warranty on River2 2 yr warranty on River Pro I think this is lowest price ever for the unit with full warranty IMO main advantage of Ecoflow/Bluetti units over cheaper units with the same LiFePO4 battery is fast charge speed from AC - they can be typically fully charged in 1 hour which makes difference if you need to start your generator to visit some place for top-up