I tested the EcoFlow Stream Ultra X — a balcony solar battery that's a game-change for renters
… Value: 4 / 5 EcoFlow Stream Ultra X: Specs Swipe to scroll horizontally Catagories Spec Battery Capacity 3.84 kWh LFP Max AC Output 2,300W on-grid continuous Max Output to mains 800W 900W in France Solar Input 2,000W max 4 x MPPT, 500W each, 15-60V DC AC Charging Input 1,200W max Expandable Capacit… …