EcoFlow DELTA Pro 3 Smart Extra Battery Features Compatibility: Works seamlessly with EcoFlow DELTA Pro 3. Scalable Power: Expandable up to 12kWh for increased capacity. Long-Lasting Battery: LFP battery with 4000 life cycles to 80% capacity. Easy to Use: Plug-and-play design for straightforward operation. Stackable Design: Perfect for home or indoor power backup applications. What's in the box EcoFlow DELTA Pro 3 Smart Extra Battery EcoFlow Extra Battery Flat Link Cable (0.85m) Quick Start Guide Safety Guide Warranty Card Specs Capacity 4096Wh Output Port 40V-58.4V=100A Max Input Port 40V-58.4V=80A Max Weight 33kg Dimension 694mm*295mm*215mm Compatible with EcoFlow DELTA Pro 3 Discharge Temperature -10°C ~ 45°C Storage Temperature -10°C ~ 45°C Charge Temperature 0°C ~ 45°C Display LED Array Sold separately from EcoFlow DELTA Pro 3