Customer Ratings & Reviews

After spending time with the EcoFlow Delta Pro 3, I can confidently say it’s one of the most capable and reliable power stations I’ve ever used. It isn’t just a big battery — it genuinely feels like a portable backup system that can stand in for a small home generator. Power & Performance What impressed me first was the sheer output power. With 4000W continuous and up to 8000W surge, it handles everything I throw at it — from power tools to kitchen appliances to my RV AC. It never hesitates or struggles. And thanks to the 120/240V support, it easily runs larger household loads that most portable stations can’t touch. Battery Life & Longevity The LiFePO₄ battery is a big deal. Knowing it’s rated for thousands of cycles gives me confidence this thing will last for years without fading noticeably. Even after long sessions of heavy use, the unit stays stable and the runtime feels consistent with its 4kWh capacity. Charging & Expansion The charging speed is honestly wild. Being able to top it up to about 80% in under an hour feels almost like cheating. I’ve also used it with solar panels, and the input flexibility makes it easy to fit into different off-grid setups. And because you can expand it all the way up to a massive 48kWh, it’s nice knowing the system can grow if my backup needs change. Usability & Everyday Experience EcoFlow’s app integration is one of the smoother ones I’ve used. Real-time monitoring, remote control — all intuitive. That said, the unit is heavy. The wheels and handle help, but you’re not tossing it in the back of the car without some effort. It’s more “movable power station” than truly “portable.” What I Really Liked • It powers literally everything I need — no guessing, no tripping. • Fast charging feels like a game-changer. • Reliable UPS function keeps my electronics running without noticeable delay. • The expandability means this thing won’t become obsolete anytime soon. What Could Be Better • It’s expensive, even for its performance. • The weight might be a deal-breaker for some. • A few minor quirks in the app’s power readings show up occasionally. Final Thoughts The Delta Pro 3 isn’t just another power station — it’s a serious backup solution. If you need something for home emergencies, RV life, off-grid cabins, or running real appliances, it delivers with confidence. It’s not the cheapest or the lightest, but it’s the one I trust when I absolutely need power to stay on.

An excellent battery in terms of both performance and battery life—I recommend it 100%. I am satisfied with my investment in EcoFlow.

This purchase gives me peace of mind. Knowing I’ll have power 24/7 and during times of need is priceless. Not to mention, the price when purchased was lower than refurbished units I’d seen online.

So far so good…it’s very easy to charge (takes 1-2 hours to fully charge). I’ve only tested it by plugging in my laptop and iPhone to charge them both. It hasn’t been used in a power outage yet which is why I’m only giving it 4 stars. But I think it will keep them both charged up during an outage, and I think I could possibly add more smaller items as well.

It’s quiet, clean and charge as fast, although it is heavy

This is a long-lasting battery that works Great. Lasts a long time after charging. So happy i made this purchase definitely well worth it. Only downfall os that its heavy.

This is the best purchase I've made at Best Buy. Thanks

Arrived as expected. It working perfectly! The only problem was the guy from FedEx left this expensive item outside and the box has sign of being mishandled. Luckily didn't rain. Otherwise no problem with this product

Great product works great and powers up the whole house. Highly recommend, wife is extremely happy, and I'm stress free, if we have an outage, as is very easy to setup

Great product. Very versatile home use outdoor convenience portable inverter generator.