🔋 Power your lifestyle, not just your home.
The EF ECOFLOW 8kWh Home Battery Backup combines two DELTA Pro 3 units linked via a 50 Amp Hub to deliver a robust 8000W AC output. Featuring a 4096Wh LFP battery expandable to 48kWh, it supports 18 power outlets and 7+ charging methods including solar and EV stations. Designed for seamless plug-and-play use with whisper-quiet operation and ultra-fast 10 ms switch-over, it ensures reliable, clean energy for home, camping, or emergencies—all backed by a 5-year warranty.
| Brand | EF ECOFLOW |
| Wattage | 4096 Watt-hours |
| Fuel Type | Non-gasoline |
| Power Source | Solar Powered |
| Item Weight | 230 Pounds |
| Voltage | 240 Volts (AC) |
| Output Wattage | 4000 |
| Special Feature | EcoFlow Home Battery Backup: 2 DELTA Pro 3with Double Voltage Hub |
| Included Components | EcoFlow Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub |
| Color | 240V/8000Wh |
| Product Dimensions | 16.16"L x 13.43"W x 27.38"H |
| Model Name | EFD521 |
| Engine Type | 4 Stroke |
| Ignition System Type | Electric Start |
| Runtime | 2 minutes |
| Total Power Outlets | 18 |
| Frequency | 60 Hz |
| Starting Wattage | 4E+3 Watts |
| Running Wattage | 8E+3 Watts |
| UPC | 842783143075 |
| Manufacturer | EcoFlow |
| Part Number | EFD521 |
| Item Weight | 230 pounds |
| Item model number | EFD521 |
| Size | 2 DELTA Pro 3+50 Amp Hub |
| Item Package Quantity | 1 |
| Special Features | EcoFlow Home Battery Backup: 2 DELTA Pro 3with Double Voltage Hub |
| Batteries Required? | No |
| Warranty Description | 5 Year Manufacturer |
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