In this video I put the EcoFlow Delta Pro 3 through the kind of testing I actually care about—real home backup potential and real off-grid usability. This is the biggest power bank I’ve personally tested, and you feel it immediately: it’s about 50kg / 112-ish pounds, so you’re either using the wheels and suitcase handle or you’re grabbing a second person. I break down the quick stats (4,096Wh capacity, 4,000W output, 8,000W surge) and walk through the ports and layout—USB-C 100W, multiple 120V outlets, 240V capability (but you can’t run 120 and 240 at the same time), RV plug-in, solar inputs, and expansion ports. What I like most is how “appliance-like” and plug-and-play it feels. The screen is dead simple to read, it’s intuitive out of the box, and the sliding doors are a legit upgrade over the older pop-out style. Charging is fast (around 80% in ~50 minutes in many homes), it’s IP65 rated for indoor/outdoor use, and it scales—up to 48,000Wh with extra batteries—so it can move from camping trips to serious home backup pretty easily. Downsides? Weight is the big one, and it’s honestly annoying that there’s no 12V cigarette lighter port. If you’re running a 12V fridge or a diesel heater, you’ll likely be using the Anderson 12V output setup or a converter. Noise is fine under ~2,000W loads, and overall it’s so powerful I couldn’t even make it shut off with anything I own.