EcoFlow Delta Pro Ultra
The right pick for homeowners who want true whole-home backup that scales with stackable batteries and integrates with solar.
- Amazon price
- $4098.98
- Customer rating
- 4.4 ★ (134 reviews)
Pros
- LiFePO4 chemistry rated for thousands of cycles, giving it a longer usable lifespan than legacy NMC power stations
- Modular architecture: stack additional batteries and pair multiple inverters for multi-day runtime and higher surge loads
- High solar input ceiling makes it practical to recharge off-grid rather than relying on AC
- Smart Home Panel 2 compatibility enables automatic transfer switching for circuit-level backup
Cons
- Significantly more expensive than single-unit power stations, especially once you add batteries and the panel
- The inverter and battery units are heavy and effectively semi-permanent — not something you move casually