EcoFlow DELTA 3 Series Smart Extra Battery

The EcoFlow DELTA 3 Series Smart Extra Battery is a sleek, plug-and-play add-on engineered to significantly enhance your DELTA 3 or DELTA 3 Plus portable power station. Delivering 1,024 Wh of extra power, it effectively doubles your system’s total capacity to around 2 kWh perfect for home backup, RV adventures, outdoor excursions, and daily power needs.

Built with durable LiFePO₄ (LFP) battery technology, this Smart Extra Battery sustains 4,000 charge cycles at 80% capacity, translating to a 10-year lifespan with regular usage. Its compact, space-saving design is notably one-third smaller than the older DELTA 2 power pack, and it can be conveniently stacked atop your power station to minimize clutter.

Integration is seamless just plug into your DELTA 3 series unit, and it’s ready to go. Monitor and control it effortlessly via the built-in display or remotely using the EcoFlow app for real-time status updates like remaining runtime and battery percentage.

• Increase the capacity of DELTA 3 with an extra 1024Wh.
• Get 10 years of daily use until it hits 80% of its original capacity. Embrace 3000+ charging cycles enabled by the LFP battery chemistry.
• Plug-and-play system. Use the EcoFlow app to monitor and control the DELTA 3 Smart Extra Battery.
• With one of the most comprehensive 5-year warranties available, we go the extra mile to give you peace of mind.