EcoFlow DELTA Pro

Disclaimer

Read all safety tips, warning messages, terms of use, and disclaimers carefully. Refer to the terms of use and disclaimer at https://ecoflow.com/pages/terms-of-use and stickers on the product before use. Users take full responsibility for all usage and operations. Familiarize yourself with the related regulations in your area. You are solely responsible for being aware of all relevant regulations and using EcoFlow products in a way that is compliant.

EcoFlow DELTA Pro (Hereinafter referred to as DELTA Pro)

1. Specifications

General Info

Output Ports

* A car charger shares power with the DC5521 output port, offering a maximum output of 126W.

Input Ports

Battery Info

Environmental Operating Temperature

Add-ons (sold separately)

• DELTA Pro Smart Extra Battery: Up to two units
• EcoFlow Smart Generator: Wired or wireless
• DELTA Pro Remote Control
• EV X-Stream Adapter: Charge from electric vehicle charging

2. Safety Instructions

2.1 Usage

1. Do not use the product near a heat source, such as a fire source or a heating furnace.
2. Avoid contact with liquids of any kind. Do not use in the rain or high humidity.
3. Do not use around strong static electricity or magnetic fields.
4. Do not disassemble in any way or puncture.
5. Avoid using wires or other metal objects that may result in a short circuit.
6. Do not use third-party components or accessories. Consult official EcoFlow channels if you need to replace any component or accessory.
7. When using the product, please strictly follow the operating environment temperature specified in this user manual. If the temperature is too high, it may result in a fire or explosion; if the temperature is too low, the product performance may be severely reduced, or the product may cease to work.
8. Do not stack any heavy objects on the product.
9. Do not lock the fan forcibly during use or place the product in an unventilated or dusty area.
10. Ensure the product is not hit, dropped, or heavily vibrated. Securely fasten the product when transporting to avoid damage. If severely damaged, turn off the power source immediately and discontinue using the product.
11. If you accidentally drop the product into water during use, please place it in a safe open area, and stay away from it until it is completely dry. The dried product should not be used again, and should be properly disposed of according to Section 2.2 below. If the product catches fire, we recommend that you use the fire extinguishers in the following order: water or water mist, sand, fire blanket, dry powder, and finally a carbon dioxide fire extinguisher.
12. Only clean the ports with a dry cloth.
13. Place on a flat surface to keep the product from falling over. If the product is overturned and severely damaged, turn it off immediately, place the battery in an open area, keep it away from people and combustibles, and dispose of it in accordance with local laws and regulations.
14. Ensure that the product is kept out of reach of children and pets.
15. Store the product in a dry and ventilated place.
16. It is recommended to use moisture barrier bags in wet environments (for example, places by the sea or waterways) to prevent the product from getting soaked. If water is found inside the product, it must not be used or turned on again. Please take anti-electric shock measures before touching the product. Following this, place the product in a safe, waterproof and open area. Once complete, contact EcoFlow Customer Service immediately.
17. This product is not recommended for powering medical emergency equipment related to personal safety, including but not limited to medical grade ventilators (hospital version CPAP: Continuous Positive Airway Pressure), artificial lungs (ECMO, Extracorporeal Membrane). Please follow your doctor's instructions and consult with the manufacturer for restrictions on the use of the equipment. If used for general medical equipment, please be sure to monitor the power status to ensure that the power does not run out.
18. When in use, power supply products will generate electromagnetic fields, which are likely to affect the normal operation of medical implants or personal medical equipment such as pacemakers, cochlear implants, hearing aids, defibrillators etc. If these types of medical equipment are being used, please contact the manufacturer to inquire about any restrictions on the use of such equipment. These measures are fundamental to ensure a safe distance between the medical implants (for example, pacemakers, cochlear implants, hearing aids, defibrillators etc.) and this product while in use.
19. When the power supply is connected in normal mode to a refrigerator, power fluctuations may cause the power supply to automatically shut down. When connecting the power supply to a refrigerator that stores medicine, vaccines or other valuable items, it is recommended to set the AC output to "Always on" in the app. This helps support a continuous power supply and ensures a safe and efficient power consumption state.

2.2 Disposal Guide

1. When possible, fully discharge the battery before disposing it. Because it contains hazardous chemicals, only dispose of the battery in designated recycling channels and never with ordinary trash. Consult your local laws on battery recycling and disposal.
2. If the battery cannot be fully discharged due to product failure, contact a professional battery recycling company for further processing.
3. Please dispose of batteries that no longer recharge.

3. Getting Started

3.1 Product Details

The product features various ports and indicators on its panels. The front panel includes:

• USB-A Output Port (*2)
• USB-A Fast Charge Output Port (*2)
• Ambient Light Detection
• LCD Screen
• AC Output Sockets (10A Max per port)
• Pairing Status indicator
• Main Power Button
• USB-C 100W Output Port (*2)
• AC Power Button

The top/rear panel includes:

• Solar/Car Charging Input Port
• AC Charge Speed Switch
• Anderson Port
• 12V DC Power Button
• IOT Button
• Pairing Button
• Infinity Port
• Bluetooth standby switch (only for DELTA Pro Remote Control and EcoFlow app)

The rear panel also includes:

• X-Stream AC Charging Input Port
• Overload Protection Switch
• Extra Battery Port (*2)
• Car Outlet
• DC5521 Output Port
• Remote Control Port

Note on Bluetooth standby switch: When enabled, the Bluetooth module remains active even when DELTA Pro is off, allowing remote control via the EcoFlow app or a remote control (sold separately). This feature consumes energy, so it is recommended to switch it off when not in use.

3.2 LCD Screen

The LCD screen displays various operational statuses and warnings:

• Battery Level Indicator: A ring that fills up while charging. It flashes when the product is at 0% charge.
• EV X-Stream Charging Indicator
• Remaining Battery Percentage
• Remaining Charge/Discharge Time
• Low Temperature Warning
• High Temperature Warning
• Smart home panel indicator
• Extra Battery Indicator
• Double Power Indicator
• AC Output Indicator
• DC Output USB-A/USB-C Output
• Pairing Indicator
• Wi-Fi Status: Flashes when ready for pairing. Connect via phone's Wi-Fi or internet. Flashing indicates phone connection, solid light indicates internet connection.
• Remote Control Indicator
• State of Charge
• Fan Indicator
• Input Power
• Output Power
• Battery Failure Warning
• Error Code: Refer to the EcoFlow app for specific codes.
• Carbon Monoxide Alert: Appears if a connected EcoFlow Smart Generator detects unsafe carbon monoxide levels.
• Solar Panel Indicator
• Smart Generator Indicator
• Overload Warning

3.3 General Product Usage

Product On, Product Off, LCD Screen On:

• Short press the Main Power Button to turn on the product. The LCD Screen and battery level indicator will light up.
• The product enters sleep mode after 5 minutes of idle operation, turning off the LCD Screen. The screen will relight upon sensing load changes or operations. Short press the Main Power Button to toggle the LCD Screen on/off.
• To power off the product, press and hold the Main Power Button.
• The default product standby time is 2 hours. With all Power Buttons off and no load connected for 2 hours, the product will automatically shut down. Standby time can be adjusted in the app.

12V DC Output Port:

• With the Main Power Button on, short press the 12V DC Power Button to activate the 12V DC Output port. Short press again to turn it off.
• When the 12V DC Power Button is on, the product will not automatically shut down.

AC Output Port:

• With the Main Power Button on, short press the AC Power Button to activate the AC Output ports. Short press again to turn it off.
• The default standby time for the AC Output port is 12 hours. Without any load for 12 hours, the AC Power Button will automatically turn off.
• Turn off the AC power button when not in use to save power.

3.4 AC Charging

EcoFlow's X-Stream fast charge technology offers up to 2300W of max input power for AC charging. The charging power can be controlled via the AC Charge Speed Switch. The default max input power is 400W, adjustable via the EcoFlow app.

In cases of AC input current exceeding 20A, the X-Stream charging input port has a self-protection function, causing the Overload Protection Switch to pop up. After confirming no product failure, press the switch to resume charging.

Charging Process:

• Connect the AC Charging Cable to the X-Stream AC Charging Input Port.
• This provides X-Stream Fast Charging with 2300W Max input power, achieving a full charge in approximately 2 hours.
• The charging power rate can be customized via the AC Charge Speed Switch or the EcoFlow App, ranging from 200-2300W (default 400W).

Use only the official EcoFlow AC Cable for fast charging. EcoFlow is not responsible for issues arising from the use of third-party cables.

3.5 Solar Charging

Users can connect solar panels in series to recharge the product. Use the Solar Charging Cable (MC4-XT60 adapter cable, sold separately) to connect the solar panels to the Solar/Car Charging Input Port.

Ensure the solar panel's output voltage is within 150V to prevent product damage. Follow instructions provided with the solar panel for optimal use.

3.6 Car Charging

Recharge the product using the Car Outlet. It supports 12V/24V car chargers with a default 8A charging current.

To avoid draining the car battery, charge after the car engine has started. Ensure the car's cigarette lighter and the Car Charger Input Cable are in good condition. EcoFlow is not liable for losses or damages due to improper use.

3.7 Using Smart Extra Battery

The DELTA Pro can be linked with up to two Smart Extra Batteries for increased capacity. Refer to the respective user manuals for detailed instructions.

Precautions:

• Turn off both the Smart Extra Battery and DELTA Pro before connecting or disconnecting.
• Verify that both units display the extra battery icon on their screens before use.
• Turn off the Smart Battery before connecting or disconnecting it.
• Avoid touching the metal terminals of the Smart Extra Battery connector. Clean terminals gently with a dry cloth if necessary.

3.8 APP

The EcoFlow App allows users to control and monitor EcoFlow power stations remotely. Download the app and access the user guide via https://ecoflow.com/pages/ecoflow-app.

By using EcoFlow products and services, users consent to the EcoFlow Term of Use and Privacy Policy, available via the "About" section in the app or on the official EcoFlow website at https://ecoflow.com/pages/terms-of-use and https://ecoflow.com/pages/privacy-policy.

3.9 X-Boost

EcoFlow X-Boost technology enables the product to power devices up to 4500W, while the rated output remains 3600W, preventing overload protection failures.

X-Boost Tips:

• X-Boost is unavailable when the AC output is in a recharging state (bypass mode).
• X-Boost is not compatible with all appliances, particularly those with strict voltage requirements or rated power over 3600W. Appliances with voltage protection (like precise instruments) are not supported. X-Boost is best suited for heating devices. Test compatibility with your specific devices.

3.10 Emergency Power Supply (EPS)

The product supports EPS functionality. When connected to grid power via the AC Input Port, electrical devices can be powered through the AC Output Port using grid power. In case of a sudden blackout, the product automatically switches to battery power within 30ms. This basic UPS function does not support 0ms switching. Avoid connecting devices requiring 0ms UPS, such as data servers or workstations. Test compatibility before use. It is recommended to charge one device at a time to prevent overload protection issues. EcoFlow is not responsible for device failures or data losses due to improper use.

4. FAQs

1. What battery does the product use? It uses a high-quality LFP battery.
2. What devices can the product's AC output port power? With 3600W rated power and 7200W peak power, it can power most household appliances. Confirm the power requirements of your appliances and ensure the total load is below the rated power.
3. How long can the product charge my devices? The charging time is estimated on the product's LCD Screen for devices with stable power usage.
4. How can I know if the product is charging? The remaining charging time will be displayed on the LCD Screen. The charging indicator icon rotates with the remaining battery percentage and input power.
5. How to clean the product? Gently wipe with a dry, soft, clean cloth or paper towel.
6. How to store the product? Turn off the product and store it in a dry, ventilated place at room temperature, away from water sources. For long-term storage, charge the battery to 60% and then every three months, discharge to 30% and recharge to 60% to extend battery life.
7. Can I bring the product on a plane? No.

5. Troubleshooting

If an alarm prompt shows on the product LCD screen during use and does not disappear after a restart, stop using it immediately (do not attempt to charge or discharge). For further assistance, contact EcoFlow Customer Service.

6. What's In the Box

The package includes:

• DELTA Pro unit
• AC Charging Cable
• Car Charging Cable
• DC5521 to DC5525 Cable
• Handle Cover
• User Manual & Warranty Card

7. Storage & Maintenance

1. Ideally, use and store the product between 20°C ~ 30°C (68°F ~ 86°F). Keep it away from water, intense heat, and sharp objects. Do not store in temperatures above 45°C (113°F) or below -10°C (14°F) for extended periods.
2. Storing a battery with a low charge for a long period shortens its lifespan. DELTA Pro mitigates this by entering hibernation mode. For optimal battery health during long-term storage, ensure the charge is around 60%. Every three months, discharge the battery to 30% and recharge it back to 60%.