EcoFlow DELTA 2 Max Smart Extra Battery

More capacity, more power, more peace of mind. The EcoFlow DELTA 2 Max Smart Extra Battery is the ultimate add-on for users who need extended power reserves for their portable energy needs—whether at home, on the road, or off the grid.

Boost Your Capacity

This smart extra battery adds 2048Wh to your DELTA 2 Max’s base capacity. Pair one or two to increase total capacity up to 6144Wh—perfect for powering your fridge, lighting, tools, or electronics during prolonged blackouts or while camping in remote areas.

Plug-and-Play Expansion

No special tools or configurations needed. Simply connect the battery to your DELTA 2 Max, and it begins charging and discharging in sync. All data can be monitored directly from your DELTA 2 Max display or via the EcoFlow mobile app.

Built to Last with LFP Battery Chemistry

The DELTA 2 Max Extra Battery uses durable LiFePO4 (LFP) cells, offering over 3000 charge cycles to 80% capacity. That’s roughly 10 years of use with daily charging, providing superior longevity and safety compared to traditional lithium-ion batteries.

Remote Control via App

Use the EcoFlow app to track charge levels, battery health, and connected devices—all from your smartphone. Whether you’re inside the house or far from the unit, you’re always in control.

Ideal for Solar Charging & Energy Storage

Pair with EcoFlow’s solar panels and enjoy fast, eco-friendly charging for true energy independence. Use it as part of your sustainable home energy system or for off-grid RV and overlanding adventures.

What’s in the Box

• EcoFlow DELTA 2 Max Smart Extra Battery
• Battery Cable
• User Manual

Technical Specifications

• Capacity: 2048Wh
• Battery Chemistry: LFP (LiFePO4)
• Cycle Life: 3000+ cycles to 80%
• Compatibility: DELTA 2 Max, DELTA Max 2000
• App Support: Yes
• Weight: Approx. 19 kg
• Dimensions: 46.4 x 23.5 x 28.3 cm

Get longer runtimes and peace of mind with the EcoFlow DELTA 2 Max Extra Battery—reliable, powerful, and future-ready.