EcoFlow DELTA Pro 3 vs Anker SOLIX F3800 Plus
Quick take: The EcoFlow DELTA Pro 3 costs $100 less; the Anker SOLIX F3800 Plus puts out more sustained power (6,000W).
| Spec | EcoFlow DELTA Pro 3 | Anker SOLIX F3800 Plus |
|---|---|---|
| Price | $2,399 | $2,499 |
| Rating | 4.7★ (1,100) | 4.7★ (950) |
| Type | Power Station | Power Station |
| Fuel | Battery (LiFePO4) | Battery (LiFePO4) |
| Running / Output Watts | 4,000W | 6,000W |
| Starting / Surge Watts | 8,000W | 9,000W |
| Battery Capacity | 4,096Wh | 3,840Wh |
| Expandable To | 48,000Wh | 53,760Wh |
| Noise | 30 dB | — |
| Runtime | Fridge (~150W): ~23 hrs on base unit | Fridge (~150W): ~22 hrs on base unit |
| Outlets | 7x AC incl. 120/240V 30A L14-30 & 30A TT-30, 2x 140W USB-C, 2x USB-A | 6x AC incl. 240V NEMA 14-50 & L14-30, 3x USB-C, 2x USB-A, 12V car |
| Fuel Tank | — | — |
| Weight | 113.5 lbs | 132 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 5-year | 5-year |
Pros & cons
EcoFlow DELTA Pro 3
- ✓True 4000W / 8000W surge with 240V L14-30 - runs well pumps and dryers solo
- ✓Very quiet at light loads; owners sleep next to it during outages
- ✓Expandable to 12kWh per unit, 48kWh system - grow as budget allows
- ✓10ms UPS keeps servers and fish tanks alive through switchover
- ✓2600W solar input recharges it in a real morning of sun
- ✓Massive 2026 price drops - routinely ~$2,000-2,400 vs $3,699 launch
- ✗Notable idle drain with AC on - owners report meaningful overnight capacity loss
- ✗113.5 lbs; wheels help but two people needed for stairs or truck beds
- ✗Fan noise ramps sharply during 1800W+ fast charging
- ✗Warranty coverage excludes Hawaii/US territories per owner reports
- ✗App/firmware quality has a rocky reputation in owner threads
Anker SOLIX F3800 Plus
- ✓6000W/240V split-phase from one unit - plugs into standard generator inlets
- ✓NEMA 14-50 enables emergency EV charging, a genuinely unique trick
- ✓Expands to 26.9kWh per unit, 53.8kWh paired
- ✓3,200W solar input recharges the base unit in under 2 sun-hours
- ✓Gas generator input for indefinite off-grid runtime
- ✓$2,499 permanent pricing is the best $/kWh among 240V portables
- ✗Known ferrite-bead buzz under load; firmware patch reduced but didn't eliminate it
- ✗Fans are loud during fast charging - garage placement recommended
- ✗132 lbs; wheels are small and struggle off pavement
- ✗Home Power Panel adds ~$1,500+ plus electrician for panel integration
- ✗Anker support quality is inconsistent per owner reports

