EcoFlow PowerStream 800W Microinverter (EFWN511)

The EcoFlow PowerStream 800W Microinverter (EFWN511) is a smart, grid-tied solar solution engineered to optimize home energy use by integrating seamlessly with solar panels and EcoFlow portable power stations. Designed as part of an innovative balcony solar system, it enables users to generate, store, and utilize solar energy efficiently, reducing reliance on the grid and lowering electricity bills. With advanced energy management, dual MPPT inputs, and high conversion efficiency, this microinverter ensures maximum solar harvesting while intelligently distributing power to household appliances or storing surplus energy for nighttime use or power outages.

Product Features

800W Pure Sine Wave Output

Delivers a stable 800W AC output with pure sine wave technology, ensuring safe and reliable power for sensitive household electronics and appliances.

Dual MPPT Solar Input

Equipped with two independent MPPT channels supporting up to 400W each, maximizing solar energy capture and improving overall system efficiency.

High Conversion Efficiency

Achieves up to 96.5% peak efficiency with 99.8% MPPT efficiency, ensuring minimal energy loss and optimal solar performance.

Smart Energy Allocation

Automatically prioritizes power delivery to home appliances when paired with EcoFlow Smart Plugs, directing excess energy to battery storage for later use.

Solar DualCharge Technology

Supports simultaneous solar input to both the inverter and connected power station, increasing total solar input capacity up to 2400W on compatible EcoFlow DELTA series devices.

Advanced Connectivity

Features built-in Wi-Fi and Bluetooth, allowing real-time monitoring, control, and energy tracking via the EcoFlow mobile app.

Weatherproof Outdoor Design

Built with an IP67 rating, making it resistant to dust and water for reliable outdoor installation in various environmental conditions.

Comprehensive Protection Systems

Includes overvoltage, overload, short-circuit, overheat, and anti-reverse connection protection for enhanced safety and durability.

Wide Compatibility with EcoFlow Power Stations

Compatible with EcoFlow DELTA and RIVER series power stations using dedicated connection cables, enabling flexible energy storage solutions.

Product Specifications

• Rated Output Power: 800W AC (pure sine wave)
• Rated Voltage: 220V / 230V / 240V AC
• Output Frequency: 50Hz
• Maximum Output Current: 3.7A (EFWN511) / 2.8A (EFWN511B)
• Solar Input Power: 2 x 400W (800W total)
• MPPT Channels: Dual MPPT (400W each)
• MPPT Efficiency: 99.8%
• Peak Efficiency: 96.5%
• Operating Voltage (PV): 11V – 55V DC
• Maximum Input Voltage: 55V DC
• Maximum Input Current: 13A per port
• Start-up Voltage: 15V DC
• Battery Charging Voltage: 30V – 58V DC
• Battery Discharging Voltage: 11V – 15V DC / 40V – 59V DC
• Maximum Charging/Discharging Power: 600W
• Maximum Current: 13A
• Connectivity: Wi-Fi and Bluetooth
• Weatherproof Rating: IP67
• Dimensions: 242 × 169 × 33 mm
• Weight: Approximately 3 kg
• Operating Temperature: -40°C to 50°C
• Maximum Installation Altitude: 2000 m
• Protection Features: Overvoltage, overload, overheat, short-circuit, anti-reverse connection protection