EcoFlow DELTA 3 Max Plus Smart Extra Battery

2048Wh Expansion for DELTA 3 Max Plus The EcoFlow DELTA 3 Max Plus Smart Extra Battery adds 2048Wh of additional capacity to your DELTA 3 Max Plus, doubling your total system capacity to 4096Wh. Perfect for extending backup runtime during outages or powering more devices for longer off-grid. Simple Stackable Design Connects directly to your DELTA 3 Max Plus using the supplied extra-battery cable — no complex setup required. The matching stackable design keeps your home backup system compact and tidy. Built to Match, Built to Last Same automotive-grade full-tab LFP battery chemistry as the DELTA 3 Max Plus, backed by a 2-year warranty for long-term peace of mind. Specs Capacity 2048Wh (expansion) Net Weight Approx. 16 kg Compatible With DELTA 3 Max Plus Total System Capacity 4096Wh (with 1 extra battery) Battery Chemistry LFP (Full-Tab) Connection Supplied extra-battery cable Warranty 2 years Dimensions 49.4 × 23.9 × 19.6 cm Footnote: 1. Unless otherwise noted, all above data comes from EcoFlow labs and is for reference only. The actual data may vary slightly depending on the usage environment, device condition, software version, and other factors.