EcoFlow DELTA Pro Smart Extra Battery – 3600Wh Expandable

Extend the power of your EcoFlow DELTA Pro with the DELTA Pro Smart Extra Battery — a seamless, plug-and-play capacity upgrade designed for home backup, RV living, outdoor adventures, and everyday energy independence.

• Massive expandable capacity: Add one or two Smart Extra Batteries to scale your total storage from 3.6kWh up to 10.8kWh, giving you the flexibility to match your real energy needs.
• Cost-effective energy storage: Achieve the same capacity as a standalone power station at up to 30% lower cost — a smarter investment for long-term energy resilience.
• Charge anywhere, anytime: Inherits all of DELTA Pro's charging methods, including 6500W MultiCharge support. As long as the battery is connected to your DELTA Pro, it charges through every available source.
• Synchronized performance: Once connected, the Smart Extra Battery and DELTA Pro charge and discharge in unison, automatically balancing battery levels across both units for consistent, reliable output.
• Zero setup required: Simply plug it into your DELTA Pro power station — no configuration, no complexity. It works immediately.
• App-enabled monitoring: Use the EcoFlow app to track charge levels, monitor status, and manage your power storage from your smartphone with ease.
• Built for peace of mind: Whether you're preparing for power outages or heading off-grid, the DELTA Pro Smart Extra Battery keeps your essential devices and appliances running longer.

Compatible exclusively with the EcoFlow DELTA Pro. Expand your energy storage and take control of how and where you use power.