EcoFlow STREAM Ultra X User Manual
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About this Manual
Applicable Product Model: EcoFlow STREAM Ultra X
This manual provides an introduction to this product and details its operation, management, and maintenance. Please note that this manual may be updated without prior notice.
The availability of certain accessories and features described in this manual may vary by country or region.
All images in this manual are for demonstration purposes only. Please refer to the actual product you have.
If you are reading this manual in PDF format, please note that you can access it online at https://www.ecoflow.com/support/download/index for a better overview and the latest updates.
Overview
The EcoFlow STREAM Ultra X (hereinafter referred to as "the device") is a solar energy storage system designed for both new installations and retrofitting existing solar power supply systems. The device features connections for solar input, mains connection, parallel connection, and two standard AC outlets. Internally, it integrates an inverter, MPPT charge controller, and battery modules to enable efficient energy storage and management.
Appearance
The device has several key external features:
- 1. Grip Handle: Used for safely lifting and moving the device.
- 2. Protective Cover: Covers electrical connections and outlets to protect against dust, moisture, and accidental contact.
- 3. Grounding Terminal: Provides an additional grounding connection.
- 4. DIY Front Panel: Used to maintain the original appearance. Replacement DIY panels are available for purchase.
- 5. Operation Button: Used to turn the device on/off and reset IoT settings.
- 6. System Status LED: Displays the current operating status of the device.
- 7. Parallel Port: Connects multiple units to enable system expansion, communication between units, and increased AC outlet output.
- 8. AC Outlets: Used to power connected devices or connect to a micro-inverter for an additional power input.
- 9. AC ON/OFF Button: Activates or deactivates the AC outlets.
- 10. AC Input: Connects the device to the mains supply or for parallel connection with another unit.
- 11. PV Terminals: Connects solar panels for power supply.
Note: The actual appearance of the AC outlet may vary by sales region and product version.
LED Indicator
System Status LED
The following LED patterns indicate the device status:
- Device Off: The LED pattern indicates the device is powered off.
- Battery Level: The LED pattern shows the current battery charge level of the device.
- Device Charging: The LED pattern indicates the device is being charged.
- Device Fault: The LED pattern indicates the device is faulty. Refer to the EcoFlow App for further instructions.
- Setting Applied: The LED pattern indicates a setting has been applied, such as a system reset or completion of internet setup.
- Firmware Update: The LED pattern indicates the device is updating its firmware.
AC Outlet Status LED
- At least 1 AC Outlet Activated: The LED pattern indicates that at least one AC outlet is active.
- AC Outlets Deactivated: The LED pattern indicates that AC outlets are deactivated.
Device Expandability
EcoFlow STREAM devices support system expansion to increase total battery capacity, enhance power planning, enable unified app-based management, and offer flexible installation for various scenarios. Multiple STREAM series devices can be installed based on your specific requirements.
Option 1: Daisy-Chain Configuration
Connect at least 2 STREAM devices in a daisy-chain configuration to expand the total battery capacity. All devices are installed in the same location. While some devices support their own solar input, this setup is ideal when all connected solar panels face the same direction. The system can support a maximum planning capacity of 2300 W for connected devices.
Option 2: Distributed Configuration
Use at least 1 STREAM device per location, distributed across different rooms or areas. This is ideal when you have multiple solar power sources facing different directions around your home. In this setup, each device operates independently, and its planning capacity is limited by the local regulations for grid feed-in power.
Maximum Number of Devices
You can connect or install up to 6 STREAM devices in your home.
Compatible STREAM Devices
- EcoFlow STREAM Ultra
- EcoFlow STREAM Pro
- EcoFlow STREAM AC Pro
- EcoFlow STREAM AC
- EcoFlow STREAM Max
- EcoFlow STREAM Ultra X
The compatibility list reflects supported models at the time of publication. For the most current information, please visit the official product website at https://www.ecoflow.com.
Getting Started
Network Requirement
To ensure proper communication and synchronization, all STREAM devices must be connected to the same Wi-Fi network.
Stacking and Placement
STREAM devices can be stacked to save space. In this case, ensure the included safety brackets are properly installed to prevent accidental tipping or falling. Avoid stacking more than two layers.
Detailed installation instructions can be found in the installation manual included in the product package or available at http://www.ecoflow.com/support/download/.
Understanding the EcoFlow STREAM Balcony Power Plant
The EcoFlow STREAM Balcony Power Plant is a home energy system designed for easy integration with household circuits. It stores excess solar energy and discharges it during periods of high electricity demand or power outages, helping to reduce energy costs and increase energy reliability.
To understand how the system works, let's briefly look at its main components:
- 1. Solar Panel: Absorbs sunlight and generates DC power. Tip: Use EcoFlow solar panels or compatible third-party panels that meet the device's DC input requirements.
- 2. EcoFlow STREAM Ultra X: Feeds power from solar modules into the grid, supplies power to devices via an outlet or the home's electrical system, and stores excess energy.
- 3. Cables Provided: Connects the device to external power sources, electrical appliances, and other devices for proper system integration and operation.
- For mains connection: EcoFlow STREAM AC Cable / EcoFlow STREAM DIY Cable
- For solar connection: EcoFlow STREAM Solar Panel Extension Cable
- For parallel connection (optional): EcoFlow STREAM Parallel Cable
- 4. Optional: Extra Micro-inverter: Provides additional power input to feed into the grid, charge the battery, or power connected devices in bypass mode.
- 5. Optional: Smart Sensor: Adjusts reference data used in the system's planning schema. The device has basic planning logic that can be further optimized by adding smart sensors. You can choose one of the following accessories:
- 1. Smart Plug (for partial planning): Tracks and measures the energy consumption of connected devices to optimize their energy usage.
- 2. Smart Meter (for whole-home planning): Monitors the energy consumption and generation of the entire household to optimize energy distribution.
- 6. Optional: STREAM Devices: Expand the overall system to increase total battery capacity and provide more flexible installation options.
- 7. EcoFlow App: Enables control and monitoring of the PV system via your phone.
Electrical regulations may vary by region. Before setting up a balcony power plant, check your local regulations and consult a qualified electrician to ensure everything is done safely and in compliance with applicable laws.
Essential Power Connections
Environmental Requirements
Ensure the installation location meets the necessary conditions for proper device operation:
- The device should be installed in a dry, clean, and well-ventilated area.
- Do not expose the device to direct sunlight, snow, or rain.
- Avoid installing the device near water, heat sources, or flammable/explosive materials.
Solar Connection
Connect the solar panels to the device to ensure proper solar power supply. Ensure the solar panels comply with the device's PV connection specifications.
- Connect the included solar cables to the PV terminals on the device.
- Connect the other ends of the cables to the terminals on the solar panels.
Caution: When connecting solar panels, ensure that the positive and negative leads of a single module are connected to the same PV terminal pair (e.g., PV1+ and PV1–). Do not connect leads across different terminal pairs (e.g., positive to PV2+ and negative to PV1–), as this can cause a short circuit.
- Recommended Cable: EcoFlow STREAM Solar Panel Extension Cable.
- If you need to adjust the solar connection, loosen the connector using the included PV wrench.
- Keep unused terminals covered with their protective caps.
- The device will automatically power on once connected to an active power source.
Mains Connection
Connect the device to the mains to feed power into the grid or draw power from it when solar energy is insufficient. This can be done via a standard wall outlet (where permitted) or a circuit breaker (in regions like the UK).
- Direct Plug-in Connection: For installation locations where direct plugging into a wall outlet is permitted by local regulations:
- Connect the included AC cable to the AC input on the device.
- Tighten the screw on the cable connector to secure the connection.
- Plug the other end of the cable into a standard wall outlet.
- Recommended Cable: EcoFlow STREAM AC Cable.
- The device automatically powers on once connected to an active power source.
- If the device is used outdoors, connect it to an IP68-rated weatherproof outlet.
- DIY Connection (UK Only): Direct plugging is not permitted in the UK. Connecting the device to a household circuit breaker requires a qualified electrician.
- Turn off the household circuit at the installation location.
- Connect the included DIY AC cable to the AC terminal on the device.
- Tighten the screw on the cable connector to secure the connection.
- Connect the other end of the DIY cable to a circuit breaker in the distribution box:
- Connect the PE (ground) wire to the PE busbar.
- Connect the N (neutral) wire to the neutral busbar.
- Connect the L cable to the switch terminal leading to the load side.
- Recommended Cable: EcoFlow STREAM DIY Cable.
- The device automatically powers on once connected to an active power source.
Grounding Considerations
Proper grounding is essential for safe operation. EcoFlow provides an AC cable with a device grounding conductor/grounding plug. When the cable is plugged into a properly installed and grounded outlet according to all local codes and ordinances, the device will be properly grounded. However, if you encounter the following situations, contact a qualified electrician:
- You are unsure if the product is properly grounded.
- The included plug does not fit the outlet.
If the installation location does not meet grounding requirements or specific grounding standards mandated by local regulations, have a qualified electrician use the grounding connection on this product to establish proper grounding.
Grounding work must only be performed by a qualified electrician.
Powering Devices
The device supports powering devices via the AC outlet on the unit or through an existing home circuit, allowing for flexible device connections.
Application 1: Devices Connected to the Device's AC Outlet
Connect the device directly to the AC outlet of the unit. Power can come from solar energy, mains power, or the device's battery storage. When at least two devices are connected in parallel, the additional units enhance power delivery, allowing the system to provide up to 2300 W to connected devices.
In this application, the device also provides emergency power by automatically switching to battery power during a power outage to keep connected devices running.
- To Connect a Device:
- Connect your device to the AC outlet of the unit.
- Press the AC ON/OFF button once to activate the AC outlet.
- To Remove a Device:
- Turn off the connected device and disconnect it.
- Press the AC ON/OFF button once to deactivate the AC outlet.
The switching time for emergency power varies depending on solar efficiency and battery conditions and can take up to 3 seconds. Do not connect devices that require uninterruptible power supply, as this device is not designed as an Uninterruptible Power Supply (UPS).
The AC outlet remains active when connected to mains power. If the outlet is not in use for approximately 2 hours, it will automatically shut off. After 30 minutes of inactivity, the device will automatically shut down to save battery.
Application 2: Devices Connected to Other Home Outlets
Connect the device directly to another outlet in your home. When the device is connected to the home circuit (e.g., via an outlet or circuit breaker), it automatically manages power distribution based on settings in the EcoFlow App. Once another outlet draws power for a device, the unit supplies the corresponding power. The maximum power the device (and its cascaded system, if applicable) can support is limited by the available grid feed-in capacity.
In this mode, the device does not automatically switch to battery power during a mains power failure to supply consumers. You can manually connect devices to the device's AC outlet.
Explore More
Increasing Available Power Sources
The device's AC outlets support bidirectional power flow for charging and discharging. Adding a micro-inverter increases input capacity and improves overall charging efficiency.
To Connect a Micro-inverter:
- Prerequisite: Ensure your micro-inverter supports direct plug-in with a standard AC outlet and complies with local regulations. EcoFlow micro-inverters are preferred; third-party models may require additional measures.
- After connecting the micro-inverter to solar panels, plug the AC output cable directly into the device's AC input port.
- Press the AC ON/OFF button on the device once to activate the outlet.
To Disconnect a Micro-inverter:
- Press the AC ON/OFF button on the device once to deactivate the outlet.
- Unplug the micro-inverter's AC input cable from the device's AC outlet.
EcoFlow recommends integrating only ONE micro-inverter into your STREAM system.
System Expansion
Method 1: Cascaded Single-Room Configuration
This configuration connects multiple STREAM devices in a single room to expand system capacity using a daisy-chain layout. Devices are interconnected via parallel cables and share a common AC input. The device directly connected to the mains acts as the master unit, while others function as slave units within the cascade, participating in power supply and control.
To Connect a Cascaded System in Parallel:
- Ensure all STREAM devices are powered off. If mains or solar connections are present, disconnect the cables, then press the operation button for 2 seconds to power off the unit.
- Plug the EcoFlow STREAM Parallel Cable into the parallel port and the AC input port between STREAM devices, tightening the screws on both ends. If you have multiple devices, repeat this step until one AC input (usually on the first unit) and one parallel port (usually on the last unit) remain unused in this connection chain.
- Connect the EcoFlow STREAM AC Cable to the AC input port and the mains of the first STREAM device, tightening the screw on the connector. This unit will be considered the master unit, while the others are slave units.
- Open the EcoFlow App to bind the STREAM devices to your account. Ensure all devices are connected to the same Wi-Fi network.
To Remove a Cascaded System:
- Power off and disconnect the connected devices.
- Disconnect the master unit from the mains and disconnect all devices from any solar input. If either the mains or solar connection is present, powering off the devices will not be effective.
- Press the operation button for 2 seconds to power off each device.
- Loosen the screws on both ends of the parallel cable to release the connectors. Then, turn the connector counter-clockwise and remove the cable.
- Open the EcoFlow App and disconnect the devices from your account as needed.
? Important Notes:
- Parallel connection should only be performed when the master unit is disconnected from the mains.
- In case of network connection failure, the parallel units cannot function as a system and will operate independently.
- The standard protective cap should be fitted onto any unused terminal.
- Up to 6 STREAM devices can be installed in a system. Cascaded and distributed configurations can be freely combined within this limit.
Method 2: Distributed Configuration for Multiple Rooms
This setup is permitted only if local electrical regulations allow direct plugging of the device into a household outlet.
This configuration allows for the installation of STREAM devices in different rooms, offering flexible placement throughout the house. Each device connects individually to a wall outlet on the same circuit, while simultaneously sharing battery resources across the entire system. Synchronized energy management and communication are enabled by the existing home wiring and Wi-Fi, eliminating the need for physical parallel wiring.
To Install a Distributed System:
- Connect the EcoFlow STREAM AC Cable to the AC input of a STREAM device to a wall outlet, then tighten the screw on the connector. Tip: Once connected to an active power source, STREAM devices will power on automatically.
- Connect additional STREAM devices separately in the rooms where you wish to place them.
- Open the EcoFlow App to bind the STREAM devices to your account. Ensure all devices are connected to the same Wi-Fi network.
To Remove a Distributed System:
- Power off and disconnect the connected devices.
- Disconnect all STREAM devices from the mains and any solar input. If either connection is active, powering off the devices will not be effective.
- Press the operation button for 2 seconds to power off each device.
- Move or store the devices as needed.
- Open the EcoFlow App and disconnect the devices from your account as needed.
? Important Notes:
- The standard protective cap should be fitted onto any unused terminal.
- Up to 6 STREAM devices can be installed in a system. Cascaded and distributed configurations can be freely combined within this limit.
System Planning
The STREAM device supports a basic power planning schema. If no smart sensor is integrated, the feed-in power cannot be adjusted in real-time according to household consumption. Instead, it can only be manually set to a fixed power level or scheduled for specific time periods via the EcoFlow App. Smart sensor integration enhances planning capabilities.
Flexible Planning with Smart Plug
A Smart Plug allows you to manage when devices are turned on or off via the EcoFlow App, offering greater flexibility in physical placement. Once integrated into the system, STREAM devices adjust feed-in power based on the total load of devices connected to the Smart Plug, prioritizing their power supply and backup resources.
To Add a Smart Plug:
Follow the Smart Plug's user manual to complete the installation. Ensure the plug is connected to the same wireless network as the STREAM system.
To Remove a Smart Plug:
- Turn off the connected devices, then unplug the Smart Plug from the outlet.
- Move or store the Smart Plug as needed.
- Open the EcoFlow App and remove the Smart Plug from the STREAM system if necessary.
Compatible Smart Plug Models:
- EcoFlow × Shelly Smart Plug (up to 6 units)
- EcoFlow Smart Plug (up to 16 units)
You can mix different plug models for up to 22 integrated plugs in a STREAM system.
Only one sensor type can be added at a time. The installation of Smart Plugs and Smart Meters may lead to redundant data usage or sensor inefficiency, as the system can only operate in one planning mode.
Whole-Home Planning with Smart Meter
A Smart Meter acts as a household sensor, measuring the difference between power drawn from the grid and power fed into it. The STREAM system uses this data to adjust feed-in power based on the total household load, ensuring efficient and balanced energy distribution across all connected STREAM devices.
To Install a Smart Meter:
Have the Smart Meter installed in your home's distribution box by a qualified electrician. Ensure it is connected to the same Wi-Fi network and bound to the same EcoFlow account as the STREAM system.
To Remove a Smart Meter:
- Contact a qualified electrician to remove the Smart Meter.
- Open the EcoFlow App and remove the Smart Meter from the STREAM system as needed.
Compatible Meter Models:
- EcoFlow Smart Meter
- EcoFlow x Shelly Smart Meter
- Shelly 3em
- Shelly PRO 3EM
- Tibber Pulse IR
Only 1 Smart Meter is required for a STREAM system.
Only one sensor should be added to the system at a time. The installation of Smart Plugs and Smart Meters may lead to redundant data usage or sensor inefficiency, as the system can only operate in one planning mode.
Storage and Maintenance
Routine Maintenance
Follow these steps for routine maintenance:
- Wipe the product surface with a soft, dry cloth and keep it clean.
- Every 6 months, check that all connection components are in good condition.
- If the device will not be used for an extended period, charge and discharge the product every 3 months (fully charge, then discharge to 60% for storage) to maintain battery health. AC charging from the mains is the most recommended option in this case:
- In the EcoFlow App, set the emergency reserve level to 100% and fully charge the device.
- After charging, set the reserve level to 60% to begin discharging for storage.
Battery Safety Precautions
CAUTION! This product contains battery modules. When working on batteries, observe the following precautions:
- Battery maintenance should be performed or supervised by personnel familiar with batteries and the required precautions.
- Do not dispose of batteries in a fire, as they may explode.
- Do not open or damage batteries. Released electrolytes are harmful to skin and eyes and can be toxic.
- A battery can pose a risk of electric shock and high short-circuit current. Observe the following precautions when working on batteries:
- Remove watches, rings, or other metal objects.
- Use tools with insulated handles.
- Wear safety glasses, gloves, and boots.
- Do not place tools or metal parts on batteries.
- Disconnect the power source before connecting or disconnecting battery terminals.
- Check if the battery is accidentally grounded. If accidentally grounded, disconnect the source from the ground. Contact with any part of a grounded battery can cause an electric shock. The likelihood of such a shock can be reduced if such grounds are removed during installation and maintenance (applies to devices and removed battery supplies without a grounded supply circuit).
Maintenance of User-Replaceable Parts
Removing the Product
Before performing repairs, follow these steps to remove the device:
- Deactivate AC Outlets: Press the AC ON/OFF button once to turn off the outlets. Then, disconnect the device and the micro-inverter.
- Disconnect from Mains: Unscrew the connector and secure it at the device's AC terminal. Turn the locking ring on the connector counter-clockwise to unplug the cable.
- Disconnect Cascaded STREAM Device (if applicable): Unscrew the connector at the device's parallel port. Turn the locking ring on the connector counter-clockwise to unplug the cable. Repeat this step if you have multiple units connected in parallel.
- Disconnect Solar: Disconnect the solar cables from the PV terminal using the included solar wrench.
- Disconnect from Mains: Unscrew the connector and secure it at the device's AC terminal. Turn the locking ring on the connector counter-clockwise to unplug the cable.
- Remove Device (if applicable): Unscrew the device from the mounting and locking brackets.
- Disposal (optional): If the system no longer functions, dispose of it according to local regulations for electronic waste.
Replacing the DIY Front Panel
Tool Requirements:
- Phillips screwdriver (e.g., SL3) or other suitable tool.
- Protective gloves (optional).
Steps:
- Insert a screwdriver into the gap in the middle top of the device. Press down the internal latch with the screwdriver while pushing the front panel upwards from the bottom with your other hand. This will release and remove the front panel.
- Align the new front panel with the three slots at the bottom and gently slide it upwards to engage the upper latch. Finally, check if the front panel is securely installed without looseness or gaps.
- Adjust the device's position so the front cover side faces upwards. Slide the new front panel from the side near the IoT module into the groove, aligning it with the 4 slots to secure it. The installation of the new front panel is then complete.
Replacing the IoT Module
Prerequisites:
Always contact EcoFlow technical support before attempting to replace the IoT module. Follow the steps below only after receiving the replacement module from EcoFlow.
Tool Requirements:
- Phillips screwdriver (e.g., SL3) or other suitable tool.
- PH1 screwdriver.
- Anti-static gloves.
Steps:
- Disconnect all cables and remove the safety brackets (if applicable). Press and hold the operation button for 2 seconds to power it off, then turn it upside down.
- Pry the clips outwards with a screwdriver to release them, then remove the front panel.
- Locate the IoT module and remove its mounting screws (screw specification: M3) using a PH1 screwdriver.
- Carefully lift the circuit board to expose the power cable underneath. Press the white latch and pull the cable out.
- Pull the signal cable directly out of the circuit board to completely remove the old IoT module.
- Connect the power and signal cables to the new IoT module, placing them in the correct position (avoid pinching the cables).
- Reinstall the IoT protective cover and tighten the screws.
- Reinstall the device's front panel.
Long-Term Storage
For long-term storage, place the device in a dry and tidy location in its original packaging. Protect all components to prevent severe moisture, shock, vibration, and so on. The product should be stored at temperatures between -40 °C and +85 °C, with 25 °C being the optimal storage temperature.
Troubleshooting
The device's LED provides a basic indication to check the operating status. If you notice an abnormal LED pattern, refer to the in-app guide for troubleshooting.
If you cannot access the EcoFlow App, contact EcoFlow customer service. Do not attempt to repair this product without official instructions from the support team.
Safety Information and Regulatory Compliance
Disclaimer
Please read the product documentation and ensure you have fully understood the documentation before using the product. Improper use can lead to serious injury, damage, or loss of property. Always refer to the most current documentation at https://www.ecoflow.com/support/download/. This documentation takes precedence over all other versions.
By using this product, you acknowledge and agree to all terms mentioned in the documentation. EcoFlow is not liable for damages resulting from improper use or failure to follow the included instructions. In accordance with applicable laws and regulations, EcoFlow reserves the right of legal interpretation of this document and all documents related to the product.
Safety Symbols
Safety symbols indicating potential hazards are located on the device's casing or nameplate. Please review these symbols and their meanings in the following table:
- Caution: Disconnect the device from all voltage sources before servicing.
- Caution! Risk of Electric Shock: Do not attempt to disassemble. No user-serviceable parts inside. Refer servicing to qualified personnel.
- Caution! Hot Surface: Do not touch the enclosure of the device during operation.
- Caution! Risk of Electric Shock: Wait at least 5 minutes after all voltage sources are disconnected before servicing.
- Reading Manual: Read the user manual and all safety instructions carefully before installation, operation, and maintenance.
- CE Marking: The device complies with the essential requirements of the relevant EU legislation.
- WEEE Directive: Do not dispose of the device as household waste. Follow local electronic waste disposal regulations.
- Grounding: Indicates the position for connecting the protective earthing (PE) cable.
Safety Precautions
- Read this document and other related product documentation before operating the device.
- This product must be used in strict accordance with local electrical safety regulations and the applicable operating environment. Any damage attributable to causes unrelated to product quality, or to improper use – including, but not limited to, short circuits caused by electrical devices or the usage environment – is excluded from warranty coverage.
- An overcurrent protection switch must be installed between this product and the mains.
- When the photovoltaic system (PV) receives light, it supplies voltage to the power conversion unit (PCE).
- When installing and maintaining this product, use insulated tools and wear personal protective equipment.
- Install this product in a dry and well-ventilated environment.
- Keep this product out of the reach of children and pets. If the product is used near children, the children must be carefully supervised.
- Ensure the cable length for each PV connection to this product is less than 3 meters.
- Before making electrical connections, ensure that all loads to be connected (e.g., devices or equipment to be powered by this product) are switched off.
- Always pull by the plug, not the cable, when disconnecting the product from the mains to reduce the risk of damage to the plug and cable.
- Do not insert fingers or hands into the product.
- Do not expose the product to direct sunlight, rain, or snow.
- Do not expose the device to strong electromagnetic fields to avoid radio interference.
- Do not install or operate the device near flammable, explosive, corrosive, caustic, or humid sources.
- Do not install or operate this device in extreme weather conditions such as lightning, heavy rain, or strong winds.
- Protect this product from strong impacts or vibrations and from falls.
- Do not pull, crush, or step on this device, and do not throw it into a fire, as there is a risk of explosion.
- Do not use damaged cables with this product.
- Do not damage, deface, or remove any labels on this product.
- Do not disassemble, repair, or modify this product yourself. Contact EcoFlow customer service for any maintenance or service work.
- Use only manufacturer-approved or recommended components and accessories. If you require replacement parts, contact EcoFlow customer service.
- Do not clean the product with flammable or toxic solvents. Wipe it with a dry, soft cloth.
- Do not place heavy objects (>40 kg) on the product.
- Removing the Device: To safely remove this product, follow these steps sequentially:
- Turn off connected loads.
- Disconnect the cables from the AC outlets.
- Disconnect the cable from the AC terminal.
- Disconnect the cables from the PV terminals.
- Turn off the product.
- GROUNDING INSTRUCTIONS: This product must be grounded. In case of a fault or failure, grounding provides the path of least resistance for electrical current, reducing the risk of electric shock. For your safety, EcoFlow provides a cable with a device grounding conductor and grounding plug. The plug must be inserted into an outlet that is properly installed and grounded according to all local codes and ordinances.
WARNING – Improper connection of the device grounding conductor can result in electric shock. In the following cases, contact an authorized electrician instead of replacing the supplied plug:
- You are unsure if the product is properly grounded.
- The supplied plug does not fit the outlet.
Personnel Requirements: Certain installation or maintenance work must be performed exclusively by a qualified professional. Read the personnel requirements highlighted in the product documentation to ensure these tasks are performed correctly and safely.
Note on Floating Ground: The grounding connection is not connected to the AC neutral line. The internal electrical system remains isolated from ground when the device (and its cascaded system, if applicable) is disconnected from the mains power supply.
External Grounding Instructions: In installation locations with insufficient grounding or special grounding requirements mandated by local regulations, additional grounding may be necessary. In such cases, this product's grounding connection should be used to establish proper grounding.
Compliance Declarations
Hereby, EcoFlow Inc. declares that this product is in compliance with Directives 2014/35/EU, 2014/30/EU, 2014/53/EU, 2011/65/EU+(EU)2015/863, (EU) 2023/1542. The full text of the EU Declaration of Conformity is available at the following Internet address: http://www.ecoflow.com/eu/eu-compliance
Radio Frequency (RF) Specifications for EU:
- Bluetooth: Frequency: 2402-2480 MHz, Maximum Output Power: <20 dBm
- WLAN: Frequency: 2412-2472 MHz / 2422-2462 MHz, Maximum Output Power: <20 dBm
This marking indicates that this product should not be disposed of with other household waste within the EU. Recycle this product properly to prevent possible damage to the environment or a risk to human health via uncontrolled waste disposal and in order to promote the sustainable reuse of material resources. Please return your used product to an appropriate collection point or contact the retailer where you purchased this product. Your retailer will accept used products and return them to an environmentally-sound recycling facility.
For information on the disposal of electrical and electronic equipment, please visit the following website: https://eu.ecoflow.com/pages/electronic-devices-disposal
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by EcoFlow Inc. is under license. Other trademarks and trade names are those of their respective owners.
Appendix
Package Contents
- 1x EcoFlow STREAM Ultra X
- 8x EcoFlow STREAM Solar Panel Extension Cables (2.95 m)
- 1x EcoFlow STREAM AC Cable (1.5 m) / 1x EcoFlow STREAM DIY Cable (1.5 m)
- 1x PV Wrench
- 1x Mounting Bracket
- 1x Locking Bracket
- 4x M4*8 Screws
- 2x Expansion Screws with Anchors
Note: The actual appearance of the AC output may vary by sales region and product version.
? If any item is damaged or missing, please contact EcoFlow customer service.
Technical Specifications
General Information
Model | EF-EA-HD-U4K-800, EF-EA-HD-U4K-600 |
---|---|
Dimensions | 420 x 294 x 460 mm |
Net Weight | 38.8 kg |
Typology | Isolated |
IP Rating | IP65 |
Pollution Degree | PD3 |
OVC Category | DC: II, AC: III |
Environment Category | Indoor/Outdoor |
Cooling Method | Natural Convection (no fans) |
Battery Information
Rated Capacity | 3.84 kWh |
---|---|
Rated Voltage | 19.2 V |
Cycle Life¹ | 6000 |
Cell Chemistry | LFP (LiFePO4) |
PV Terminal (DC)
Number of MPPTs | 4 |
---|---|
MPPT Voltage Range | 15-60 V |
Max. Input Power | 2000 W (500 W per MPPT) |
Max. Input Voltage | 60 V |
Max. Input Current | 4 x 14 A |
Max. Input Short Circuit Current | 4 x 20 A |
Mains Terminal (AC)
Rated Voltage and Frequency | 230 V~, 50 Hz |
---|---|
Rated Output Power | EF-EA-HD-U4K-800: 800 W EF-EA-HD-U4K-600: 600 W |
Rated Output Current | EF-EA-HD-U4K-800: 3.48 A EF-EA-HD-U4K-600: 2.61 A |
Max. Input Current | 10 A |
Max. Input Power | 2300 W |
Power Factor | 1 (-0.8 to +0.8) |
AC Outlet (AC)
Rated Voltage and Frequency | 230 V~, 50 Hz |
---|---|
Max. Output Power | 1200 W |
Max. Output Apparent Power | 1200 VA |
Rated Output Current | 5.22 A |
Max. Output Current (Bypass Mode) | 10 A |
Max. Input Power | EF-EA-HD-U4K-800: 800 W EF-EA-HD-U4K-600: 600 W |
Max. Input Apparent Power | EF-EA-HD-U4K-800: 800 VA EF-EA-HD-U4K-600: 600 VA |
Max. Input Current | EF-EA-HD-U4K-800: 3.48 A EF-EA-HD-U4K-600: 2.61 A |
Power Factor | 1 (-0.8 to +0.8) |
Parallel Terminal (AC)
Rated Voltage and Frequency | 230 V~, 50 Hz |
---|---|
Max. Output Power | 2300 W |
Max. Output Apparent Power | 2300 VA |
Max. Output Current | 10 A |
Max. Input Current | 10 A |
Max. Input Power | 2300 W |
Max. Input Apparent Power | 2300 VA |
Power Factor | 1 (-0.8 to +0.8) |
Environment
Operating Altitude | ≤ 4000 m |
---|---|
Operating Temperature² | -20 °C to 55 °C |
Storage Temperature | -20 °C to 55 °C |
Relative Humidity | 5%-95% |
Features
Communication | WLAN, Bluetooth |
---|---|
Management | EcoFlow App |
¹ Test conditions: 0.5C/0.5C charge/discharge at 25 °C.
² Performance may be affected at temperatures above 35 °C.
Product Compatibility List
Solar Panel | Brand | Specification / Model |
---|---|---|
EcoFlow or Third-party | Solar modules that meet the following requirements: 1. MPPT Voltage Range: 16-60 V 2. Maximum MPPT Current: 14 A | |
Micro-inverter | EcoFlow | • EcoFlow PowerStream Micro-inverter |
EcoFlow | • EcoFlow STREAM Micro-inverter | |
Third-party | (100% Compatible) | |
Smart Plug | Brand | Specification / Model |
*Support for STREAM System Planning | EcoFlow | • EcoFlow Smart Plug |
*Support for STREAM System Planning | EcoFlow x Shelly | • EcoFlow x Shelly Smart Plug • Shelly Plug S MTR Gen3 • Shelly Plus Plug UK |
*Support for Custom Automation via EcoFlow App (coming June 2025) | Shelly | • Shelly Plug S • Shelly Plus Plug S • Shelly Plus Plug US (1-Channel) • Shelly Plus Plug IT (1-Channel) • Shelly Plus 1 • Shelly Plus 1PM UL (1-Channel) • Shelly Plus 2PM (2-Channel) • Shelly Pro 1PM (1-Channel) • Shelly Pro 2 (2-Channel) • Shelly Pro 2PM (2-Channel) • Shelly Pro 3 (3-Channel) • Shelly Pro 4PM (4-Channel) |
*Support for Custom Automation via EcoFlow App (coming June 2025) | Kasa | • EP10 |
*Support for Custom Automation via EcoFlow App (coming June 2025) | Tapo | • P100 • P115 • P125M |
Smart Meter | Brand | Specification / Model |
EcoFlow | • EcoFlow Smart Meter | |
EcoFlow x Shelly | • EcoFlow x Shelly Smart Meter Shelly pro 3em (SPEM-003CEBEU120, SPEM-003CEBEU) | |
Shelly | • Shelly 3em • Shelly PRO 3EM (SPEM-003CEBEU120, SPEM-003CEBEU) | |
Tibber | • Tibber Pulse IR | |
Heating | Brand | Specification / Model |
EcoFlow | • EcoFlow POWERHEAT 3.5 kW | |
Power Station | Brand | Specification / Model |
*Support for Custom Automation via EcoFlow App (coming soon) | EcoFlow | • DELTA 2 • DELTA 2 Max • DELTA 3 • DELTA 3 Max • DELTA 3 Plus • DELTA 2 (1.5 kWh) |
Smart Market and Dynamic Tariff Integration | Brand | Specification / Model |
1. Nordpool 2. EPEX Spot 3. Rabot charge 4. Octopus 5. Tibber | 1. Nordpool 2. EPEX Spot 3. Rabot charge 4. Octopus 5. Tibber Wholesale | |
Thermostat | Brand | Specification / Model |
Google Nest | • Google Nest Thermostat | |
Tado | Compatible with Tado devices released before 2024, including but not limited to: • Smart Air Conditioner Control V3 • Smart Radiator Thermostat • Wireless Temperature Sensor X | |
EcoBee | • EcoBee Thermostat aresSmart |
The compatibility list reflects supported models at the time of publication. More ecosystem brands and models will be supported soon. For the latest updates, please visit the official product website: https://www.ecoflow.com.
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