Add 2048Wh More Power for Longer Backup Runtime

• 2048Wh Extra Capacity – instantly expand compatible DELTA systems for longer runtime
• Compatible with DELTA 3 Max Plus & DELTA 3 Ultra Plus – seamless energy expansion
• 25% More Compact Design – smaller footprint than previous DELTA 2 Max Extra Battery
• Easy to Store & Stack – optimized for home backup and space-saving setups
• Plug-and-Play Connection – no complicated setup required
• LFP Battery Technology – long-lasting safe battery chemistry built for daily use
• Smart App Monitoring – track battery level, temperature, and status in the EcoFlow app
• Reliable Backup Expansion – ideal for outages, RV setups, and off-grid use
• Up to 5-Year Warranty – extended coverage with app registration

Why Choose DELTA 3 Max Plus Smart Extra Battery

The EcoFlow DELTA 3 Max Plus Smart Extra Battery is the easiest way to expand the runtime of your DELTA 3 Max Plus or DELTA 3 Ultra Plus system. Add 2048Wh of extra storage for longer outages, heavier use, and greater energy independence without replacing your main unit.