EcoFlow Delta Pro 3 Extra Battery — 4096Wh Power Capacity

The EcoFlow Delta Pro 3 Extra Battery is a stackable expansion unit that grows your Delta Pro 3's capacity, taking a single system from 4096Wh up toward a full 12kWh home backup bank. It's built for households and off-grid properties that want to ride out multi-day outages or run essential circuits for longer without needing a generator.

It connects directly to the DELTA Pro 3 in a plug-and-play setup, drawing and delivering power through a high-current extra-battery port, with an LED display for a quick capacity check at a glance. Built on the same long-life LFP chemistry as the main unit, it's designed to sit alongside the Delta Pro 3 as a permanent part of an indoor or garage backup setup.

• 4096Wh of additional capacity, expandable up to 12kWh combined
• LFP battery chemistry rated for 4000 cycles to 80% capacity
• Plug-and-play connection to the DELTA Pro 3 via a dedicated battery port
• High-current transfer: up to 80A input / 100A output
• LED display for at-a-glance capacity monitoring
• Stackable design suited to home and indoor backup installations
• Compact for its capacity at 33kg, 694 x 295 x 215mm