Customer Ratings & Reviews

Bought this for ice fishing use and camping use, right now it’s working great out on the ice, with the cold days being around 10 degrees the battery holds up and is still lasting all day out there, keeps my iPad, 2 phones, battery charger and lights running in side the tent… fully charged at 100% gives you 2.7 days, that’s absolutely crazy!!

Exceeded my expectations with all the features it has. I like the dual solar inputs for added solar input if needed. So easy to operate through the app. I highly recommend this Delta 3 Plus. Eco Flow knocked it out of the park with this one.

It's a great battery so far and powers my work set up without needing to charge all day. Got it for the UPS feature but charging with solar and I'm not needing to use the UPS is even better.

The EcoFlow Delta 3 Plus has a great design and impressive features, but it fails as a reliable power station for prolonged emergency outages. Despite its 1800W continuous output rating, my unit overheated at just 1400W, triggering over-temperature protection and shutting down. EcoFlow support later admitted that the battery requires 1–2 hours of cooldown after charging before use—a major limitation not disclosed in their marketing. Additionally, while the unit has a cooling fan, it does not cool the battery itself, which is IP65-rated and fully sealed, leaving no way to dissipate heat effectively. As a result, the battery gets dangerously hot, which will likely shorten its lifespan over time. I love the features and design, but if you need a power station for continuous use during extended power outages, this is not the right choice.