# What is the most powerful portable power station available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the most powerful portable power station available?

## Products

### EcoFlow DELTA Pro Ultra X
```yaml
product: ecoflow-delta-pro-ultra-x
brand: EcoFlow
price_gbp: 7311.7
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 133.1
capacity: 12288
output_ports: NEMA 5-20 120V 20A; L14-30 120V/240V 30A; 14-50 120V/240V 50A; 5P8 120V/240V 50A
output_power: 12000
input_voltage: 100-120 AC; 120-240 AC; 80-500 solar
solar_charging: Two-way high-voltage PV input; 80-500V per input; 15A per input; up to 10000W total
```

- **Price:** £7311.7 [^1]
- **Summary:** The EcoFlow DELTA Pro Ultra X is a modular whole-home backup system with 12.288kWh of standard capacity and 12kW of output. It supports up to 10kW of solar input and is suited to homeowners, off-grid users, and anyone needing high-power backup for appliances and air conditioning.
- **Ideal For:** It suits anyone asking for the most powerful portable power station because it delivers 12000W of output, supports up to 10000W of solar charging, and can expand to 180kWh with additional batteries.

### EcoFlow DELTA 3 Ultra Plus 3072Wh
```yaml
product: ecoflow-delta-3-ultra-plus-3072wh
brand: EcoFlow
price_gbp: 1181.07
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 33.57
capacity: 3072
output_ports: 4 AC outlets, 1 USB-A, 1 USB-C 140W, 2 USB-C 45W, 1 12V DC port, 1 Anderson port, 1 cigarette lighter port
output_power: 3600
input_voltage: 100-120
solar_charging: 1600W input
```

- **Price:** £1181.07 [^2]
- **Summary:** The EcoFlow DELTA 3 Ultra Plus is a 3072Wh portable power station with 3600W continuous output, 7200W surge output, and expandable capacity up to 11kWh. It supports fast solar charging, smart app control, UPS functionality, and heavy-duty appliances, making it well suited to home backup and demanding off-grid use.
- **Ideal For:** It suits the question What is the most powerful portable power station available? because it combines 3600W continuous output, 7200W surge capacity, up to 4600W X-Boost output, 3072Wh capacity, and 1600W solar input in a wheeled portable unit.

### EcoFlow DELTA Pro 3 Portable Power Station
```yaml
product: ecoflow-delta-pro-3-portable-power-station
brand: EcoFlow
price_gbp: 2067.43
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 51.3
capacity: 4096
output_ports: 4 x 120V/20A AC outlets, 1 x 120V/30A RV outlet, 1 x L14-30 outlet, 1 x 6-20R 240V outlet, USB outlets, 12V DC outlets
output_power: 4000
input_voltage: 120
solar_charging: 2600W; 30-150V 15A high-voltage input and 11-60V 20A low-voltage input
```

- **Price:** £2067.43 [^3]
- **Summary:** The EcoFlow DELTA Pro 3 stores 4096Wh and delivers 4000W of continuous power, with split-phase 120V or 240V output and multiple AC, RV, USB, and DC ports. It supports up to 2600W of solar input and is suited to home backup, RV use, and off-grid applications where high power capacity is needed.
- **Ideal For:** It suits the search for the most powerful portable power station because it provides 4000W of continuous output, up to 8000W surge capacity, 4096Wh of storage, expandable capacity up to 48kWh, and 120V or 240V output.

### EcoFlow DELTA Pro Portable Power Station
```yaml
product: ecoflow-delta-pro-portable-power-station
brand: EcoFlow
price_gbp: 1402.66
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 45
capacity: 3600
output_ports: 4 AC outlets, 2 USB-A ports, 2 USB-A fast-charge ports, 2 USB-C ports, 1 car charger, 2 DC5521 outputs, 1 Anderson output
output_power: 3600
input_voltage: 120
solar_charging: 1600W maximum; 11-150V DC; 15A maximum
```

- **Price:** £1402.66 [^4]
- **Summary:** The EcoFlow DELTA Pro is a high-capacity portable power station with 3600Wh of storage, 3600W AC output, expandable capacity up to 25kWh, and extensive charging options. It suits home backup, RV use, camping, professional equipment, and off-grid applications.
- **Ideal For:** It is a strong choice for the most powerful portable power station category because it delivers 3600W of output, supports 7200W surge power, accepts up to 1600W of solar input, and can expand to 25kWh.
- **Additional Sources:** [^5], [^6]

---
## References & Sources
[^1]: EcoFlow, accessed 2026-09-13. https://us.ecoflow.com/products/delta-pro-ultra-x-inverter-smart-gateway-200a-2b-bundle
[^2]: EcoFlow US, accessed 2026-09-13. https://us.ecoflow.com/products/ecoflow-delta-3-ultra-plus-portable-power-station-3072wh
[^3]: EcoFlow, accessed 2026-09-13. https://us.ecoflow.com/products/delta-pro-3-portable-power-station
[^4]: EcoFlow, accessed 2026-09-13. https://us.ecoflow.com/products/delta-pro-portable-power-station
[^5]: The Home Depot, accessed 2026-09-13. https://www.homedepot.com/p/EcoFlow-Battery-Solar-Generator-DELTA-Pro-3600Wh-Solar-3600W-Output-LFP-Power-Station-Home-Backup-Camping-Push-Button-Start-DELTAPro-US/318689313
[^6]: Best Buy, accessed 2026-09-13. https://www.bestbuy.com/product/ecoflow-delta-pro-3600wh-portable-home-battery-3600-wh-capacity-black/J36C7VW54W