Best Expandable Mid-Range Power Station
EcoFlow EcoFlow Delta 2
The EcoFlow Delta 2 ($450–$650) is our top pick for this use case. It delivers 1,024Wh of LiFePO4 battery capacity with a 1,800W continuous inverter (2,700W peak). At 27 lbs with 50 min to 80% wall charging, it strikes the right balance of power, portability, and price. Most expandable option — start at 1kWh and add extra batteries up to 3kWh. 15 ports is the most in class.
Key Specifications
| Battery Capacity | 1,024Wh |
| Continuous Output | 1,800W |
| Peak Output | 2,700W |
| Battery Type | LiFePO4 |
| Weight | 27 lbs |
| Charge Time | 50 min to 80% |
| Output Ports | 15 ports |
| Price Range | $450–$650 |
8.5/10
Our Verdict
Best expandable mid-range option. Start at 1,024Wh, grow to 3kWh with extra batteries. 15 ports covers every device.
Pros
- +Expandable to 3kWh with extra batteries
- +15 output ports — most in class
- +50 min to 80% fast charge
- +Wi-Fi app control with firmware updates
Cons
- -27 lbs at base — heavier with expansion batteries
- -Expansion batteries sold separately ($200–$400)
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