EcoFlow Delta Max 2000 review

EcoFlow Delta Max 2000: two-minute review

The Delta Max is a portable power station – basically a huge battery and inverter that’ve been stuffed into a box along with a solar controller and an AC/DC charger. It can be used for everything from powering your fridge and other home appliances during a blackout, taken on the road, for camping, at a work site, or it can become the basis of a mini off-grid system.

The Max has a battery capacity of 2,016Wh (aka 2kWh), which is enough to keep the average phone running for about a year. The Max can also have two external batteries connected for a total capacity of 6kWh, or be linked up to a smart generator for total off-grid power. There’s also a cheaper Max 1,600Wh version with a smaller battery.

The Max includes four 230V sockets, which share 2,400W (4,600W surge) of pure sine wave output, and can be used like an uninterruptible power supply (UPS). You also get two 100W USB-C Power Delivery (PD) spec ports that can charge things like phones or laptops, as well as four normal USB-A ports, and various 12V outputs. In other words, you can plug just about anything into the Max and charge it.

Recharging the power station from a wall socket can be done at up to a very impressive 2,000W, and in testing we found that from dead flat it will hit 80% full in a bit over an hour. Alternatively you can charge at up to 800W from solar or from a 12 or 24 volt car accessory port at up to 8A. So in a nutshell, it allows you to store power from a range of sources, and use it when needed most.

While the Max itself has a small screen, the main control for the Delta Max is via a slick phone app that lets you see everything at a glance, or delve into deeper settings. There’s a range of customization possible, including important options such as setting the maximum charge and discharge levels to increase cycle life. You can also adjust charge rates, set minimum and maximum charge values, turn outputs on and off, and configure extras such as automatic generator charging. It connects via Bluetooth or Wi-Fi, and with the later you can also remotely access the Max via the internet.

The Delta Max isn’t perfect of course. We found it a little noisy under load, the accessories are pricey. We also wish the app had more options for data logging and automation. Still, for those who need its specific features and capacity, the compact all-in-one nature and incredibly fast charging make it a solid buy. And if the Delta Max doesn’t suit, EcoFlow has a large range of smaller and larger portable (and not so portable) power stations.

The inputs and outputs on the rear panel of the EcoFlow Delta Max

On the rear the Delta Max has a number of inputs and outputs, including four 230V AC sockets that can provide 2400W of power. (Image credit: Future)

EcoFlow Delta Max 2000 review: price and availability

  • How much does it cost? $2,099 / £1,999 / AU$3,599
  • When is it available? Available now
  • Where can you get it? Available in most major markets including the US, UK and Australia

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