EcoFlow DELTA 3 Ultra Plus Portable Power Station

• Overview
• Half-Day Outage
• Kitchen
• Living Room
• Office
• RV Camping

Smart Output Priority for Extended Runtime

The DELTA 3 Ultra Plus introduces Smart Output Priority, an intelligent feature that lets users choose which circuits or devices stay powered during an outage—all through the EcoFlow App. This ensures that essential appliances, such as refrigerators, routers, and lighting, continue running while conserving battery life for longer use.

Expandable Capacity: From 3kWh to 11kWh

Unlike the standard DELTA 3 Ultra, the Plus model offers scalable energy storage—from 3kWh up to 11kWh—with optional Smart Extra Batteries. This flexibility allows users to adapt their setup from powering small essentials to maintaining full home functionality during multi-day outages or off-grid travel. Pair it with an EcoFlow Smart Generator for an unlimited hybrid runtime.

6 Charging Methods, 0-80% in Just 48 Minutes

The DELTA 3 Ultra Plus supports six charging methods, including dual combinations such as Solar + Generator or Solar + Alternator for rapid, versatile recharging. In optimal conditions, it reaches 80% capacity in just 48 minutes, ensuring quick readiness even in emergencies. The system's Storm Guard Mode automatically activates charging before severe weather events, keeping backup power available when it's needed most.

Durability and Long-Term Reliability

Built with automotive-grade full-tab LFP cells, an EV-grade CTC structure, and a 24/7 intelligent BMS, the DELTA 3 Ultra Plus guarantees up to 10 years of reliable use. It resists condensation, vibration, and extreme environments while maintaining ultra-low 25dB whisper-quiet operation, ideal for homes, RVs, and remote worksites.

Smarter Control and Home Integration

Through the OASIS 3.0 App, users can monitor energy generation, consumption, and cost savings in real time. Features like Storm Guard, Self-Powered Mode, and Scheduled Tasks automate energy efficiency. Integration with home circuits via Manual Transfer Switch or Inlet Box provides seamless backup power with a 10ms automatic switchover—ensuring devices like NAS systems and medical equipment never lose connection.