EcoFlow DELTA Pro 3 – 4096Wh | 4000W Output | Expandable Power

EcoFlow DELTA Pro 3 – Ultimate Backup Power, Re-Engineered for Home & Travel

Now available in the UK (Model: EFD521), the EcoFlow DELTA Pro 3 is the latest evolution in portable and whole-home power solutions — compact, powerful, and built for sustainability.

Massive 4096Wh Capacity – Expandable Up to 48kWh

With a base capacity of 4.096kWh and support for extra battery modules, DELTA Pro 3 grows with your energy needs. Perfect for off-grid living, home backup, or outdoor adventures.

4000W AC Output (8000W Surge)

Power up to 99% of home appliances — from fridges and heaters to EV chargers — with its robust 4000W pure sine wave output. Combine two units for 7200W parallel operation.

Ultra-Fast 2900W Multicharge

Charge via solar (up to 1600W), wall outlet (2900W), or EV charger. Fully recharges in just 80 minutes from mains power or combines solar + grid for maximum efficiency.

Smart Home Integration

Seamlessly connects to the EcoFlow PowerStream system for uninterrupted home backup and smart energy management through the EcoFlow app.

LiFePO₄ Battery – 4000+ Cycles Lifespan

Engineered for longevity, DELTA Pro 3’s advanced LiFePO₄ chemistry delivers up to 10 years of reliable service with superior thermal safety and stability.

Whisper-Quiet, Portable Design

Thanks to adaptive cooling and smart fan control, it runs quietly at just 30–45 dB — ideal for both indoor and outdoor environments.

EcoFlow App + AI Energy Insights

Control, monitor, and optimize energy use from anywhere with the EcoFlow App. Supports Wi-Fi, Bluetooth, and 4G connectivity for full control.