EcoFlow DELTA 2 Max Smart Extra Battery | 2,048Wh Expansion Module

Double Your Capacity. Triple Your Confidence.

The EcoFlow DELTA 2 Max Smart Extra Battery is the most powerful upgrade you can make to your DELTA 2 Max. Each module adds a substantial 2,048Wh of LiFePO₄ capacity, and with support for up to two extra batteries, you can push your total system to an impressive 6,144Wh — enough to power a home through a full day's outage or run an off-grid setup for days. It stacks neatly on the DELTA 2 Max and connects automatically, with no configuration required.

Why You'll Love It

• 2,048Wh LiFePO₄ Capacity Per Module — Significantly extends your DELTA 2 Max runtime
• Expandable to 6,144Wh — Connect up to 2 extra batteries for maximum system capacity
• Stackable Design (~19kg) — Sits neatly with the DELTA 2 Max for a compact, secure setup
• Plug-and-Play Connection — No tools or configuration needed, just connect and go
• EcoFlow App Integration — Monitor charge levels and battery health from your phone
• LiFePO₄ Chemistry — 3,000+ cycles for long-term, reliable performance

Compatible With

• EcoFlow DELTA 2 Max

You're running your home on the DELTA 2 Max during a blackout. With one Smart Extra Battery stacked on, your total capacity jumps to over 4kWh — enough to keep the fridge, the lights, and the essentials running well into the next day. Add a second and you're at 6kWh. That's not just backup power. That's peace of mind.

Specifications

• Capacity: 2,048Wh per module
• Max System Capacity: 6,144Wh (DELTA 2 Max + 2 extra batteries)
• Battery Type: LiFePO₄
• Cycle Life: 3,000+ cycles to 80% capacity
• Weight: ~19kg
• Connection: Plug-and-play
• App Control: EcoFlow app compatible