EcoFlow DELTA Pro 3 Smart Extra Battery | 4,096Wh Expansion Module

Scale Your Power. No Limits.

The EcoFlow DELTA Pro 3 Smart Extra Battery is built for those who demand serious energy storage. Each module adds a massive 4,096Wh of LiFePO₄ capacity to your DELTA Pro 3, and with support for up to two extra batteries, you can scale your system to a formidable 12kWh — enough to power a home through extended outages or run an off-grid property for days. Plug-and-play simplicity meets industrial-grade performance.

Why You'll Love It

• 4,096Wh LiFePO₄ Capacity Per Module — Massive energy storage for high-demand scenarios
• Expandable to 12kWh — Connect up to 2 extra batteries for maximum system capacity
• Stackable Design — Sits directly on the DELTA Pro 3 for a neat, secure setup
• Plug-and-Play Installation — Automatic balancing between units, no configuration needed
• Lightning-Fast Charging — Recharges at the same impressive speed as the DELTA Pro 3
• Rugged & Reliable — Built for heavy-duty, long-term use
• LiFePO₄ Chemistry — 3,000+ cycles for over a decade of dependable performance

Compatible With

• EcoFlow DELTA Pro 3

A multi-day storm rolls through. The grid goes down. With two Smart Extra Batteries stacked on your DELTA Pro 3, you're sitting on 12kWh of clean, silent power — enough to run the fridge, the lights, the medical equipment, and the Wi-Fi for days without breaking a sweat. That's what true energy independence looks like.

Specifications

• Capacity: 4,096Wh per module
• Max System Capacity: 12kWh (DELTA Pro 3 + 2 extra batteries)
• Battery Type: LiFePO₄
• Cycle Life: 3,000+ cycles to 80% capacity
• Connection: Plug-and-play with automatic balancing
• Design: Stackable on DELTA Pro 3