EcoFlow DELTA 2 Portable Power Station

Thank you for choosing the EcoFlow DELTA 2 portable power station.

Overview

The EcoFlow DELTA 2 is a portable power station designed to provide reliable power for various needs. It features multiple output ports and input options for charging.

Product Ports and Indicators:

Note: AC socket types and charging cables may vary by country/region.

AC Timeout Tip: The AC output port can automatically turn off if idle. For continuous power to devices like refrigerators, set the AC timeout interval to "never" in the EcoFlow app.

LCD Display

The LCD screen provides detailed information about the power station's status:

Wi-Fi Status: Solid light indicates successful internet connection; Off indicates connection failure. Refer to "Troubleshooting" for details.

Power On/Off

Power On: Short press the main power button once.

LCD Screen On/Off: Short press the main power button once after the unit is on.

Power Off: Long press the main power button for 3 seconds.

The product defaults to 2 hours of standby time. If output ports are off and there's no load for 2 hours, it will shut off automatically. Standby time can be adjusted in the EcoFlow app. The unit enters sleep mode with the LCD screen off if not used for 5 minutes; the screen turns on automatically when used again.

Charge Your Devices

USB Output

Press the USB Power Button to turn USB output ports on/off.

The product will not shut off automatically once USB power is on. Ensure the total power of connected devices is within the rated power.

AC Output

Press the AC Power Button to turn AC output sockets on/off.

Ensure the total power of connected devices does not exceed 1800W. After 12 hours without any load, the AC Power Button will shut down automatically.

AC Timeout Tip: Similar to the overview, the AC output can auto-turn off. Configure in the EcoFlow app for critical uses.

12V DC Output (DC5521 & Car Charging)

Press the 12V DC Power Button to turn DC output ports on/off.

The product will not shut off automatically once DC power is on. Ensure the total power of connected devices is within the rated power.

Charge DELTA 2

AC Charging

Utilizes X-Stream fast charging, up to 1200W Max. Fully charged in approximately 72 minutes.

Charging speed can be adjusted via the EcoFlow app. The X-Stream charging input port has self-protection; if the input current exceeds 20A, the overload protection switch will pop up. Press it to resume charging after confirming no product failure.

Solar Charging

Supports up to 500W Max. solar input.

Car Charging

Supports 12V/24V battery systems, default 8A.

To avoid car battery drain, use the car charger after the vehicle is started. Ensure the car outlet and charging cable are in good condition.

Smart Extra Battery

The DELTA 2 can connect to one Smart Extra Battery for increased capacity. Refer to the respective user manuals for detailed instructions.

Smart Generator

The DELTA 2 can be recharged using the EcoFlow Smart Generator. Refer to the Smart Generator manual for details.

X-Boost

X-Boost automatically enables when total output exceeds rated power, allowing the product to power high-wattage appliances up to its rated output power.

Bypass Mode: When recharging and connected to devices simultaneously, devices are powered by the grid, not the power station, if the AC power button is on.

EPS (Emergency Power Supply)

The product supports EPS functionality. Connect grid power to the AC input port and power your device from the AC output port.

In bypass mode, AC power comes from the grid. In case of a blackout, the product can switch to battery power within 30ms.

Care and Maintenance

Specifications

General Info

Net WeightApproximately 12kg (27lbs)
Dimensions400 x 211 x 281mm (15.7 x 8.3 x 11.1in)

Capacity

1024Wh, 51.2V

Wi-Fi

Frequency Range (US/CA)2412-2462MHz / 2422-2452MHz
Frequency Range (EU/UK/AU/ZA)2412-2472MHz / 2422-2462MHz
Max Output Power (US/CA)0.071W / 0.177W
Max Output Power (EU/UK/AU/ZA)14.85dBm

Bluetooth

Frequency Range2402-2480MHz (US/CA/EU/UK/AU/ZA)
Max Output Power (US/CA)0.005W / 0.012W
Max Output Power (EU/UK/AU/ZA)9.39 dBm

Output Ports

ACPure Sine Wave, 1800W total (surge 2700W)
120V~50Hz/60Hz (US/CA)
230V~50Hz/60Hz (EU/UK/ZA)
240V~50Hz (AU)
AC (bypass mode)100-120V~50/60Hz total 13A (US/CA)
220-240V~50Hz/60Hz total 9A (EU/UK/AU/ZA)
Max X-Boost Output Power2200W (US/CA)
2400W (EU/UK/AU/ZA)
USB-A (x2)5V-2.4A, 12W max. per port, total 24W
USB-A Fast Charging (x2)5V-2.4A, 9V=2A, 12V=1.5A
18W max. per port, total 36W
USB-C (x2)5/9/12/15/20V=5A
100W max. per port, total 200W
Car Outlet12.6V=10A, 126W max.
DC5521 Output (x2)12.6V=3A, 38W max. per port

Input Ports

AC ChargingX-Stream Fast Charging 1200W max.
AC Input Voltage100-120V~50Hz/60Hz (US/CA)
220V-240V~10A, 50Hz/60Hz (EU/UK/AU/ZA)
Solar Charging11-60V=15A Max, 500W max.
Car OutletSupports 12V/24V Battery, 8A by default

Battery Info

Cell ChemistryLFP
Cycle Life3000 cycles to 80% + capacity
Protection TypeOver Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection

Environmental Operating Temperatures

Optimal Operating Temperature20°C - 30°C (68°F - 86°F)
Discharging Temperature-10°C - 45°C (14°F - 113°F)
Charging Temperature0°C - 45°C (32°F - 113°F)
Storage Temperature-10°C - 45°C (14°F - 113°F) (optimal: 20°C - 30°C (68°F - 86°F))

Add-ons (sold separately)

Smart Extra BatterySupported
Smart GeneratorSupported

Note: The car outlet shares power with the DC5521 output port, offering a maximum output of 126W. Battery charge/discharge depends on actual battery pack temperature.

EcoFlow App

Control, monitor, and customize your EcoFlow DELTA 2 from afar using the EcoFlow App. How to Connect

What's in the Box

The package includes:

Accessories

Explore additional accessories from EcoFlow.

FAQ

1. What battery does the product use?
High-quality LFP battery.
2. What devices can the product's AC output port power?
It can power most household appliances. Confirm appliance power 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 appliances with stable power usage.
4. How do I know if the product is charging?
The LCD screen shows remaining charging time, a rotating indicator icon, battery percentage, and input power.
5. How do I clean the product?
Gently wipe with a dry, soft, clean cloth or paper towel.
6. How do I store the product?
Turn off the product, store in a dry, ventilated place at room temperature, away from water sources.
7. Can I bring the product on a plane?
No.

Still not solve your problem? Please click here for more information.

Safety Instructions

Usage

  1. Do not use near heat sources (fire, furnace).
  2. Avoid contact with liquid; do not immerse in water or get wet. Do not use in rain or humid environments.
  3. Do not use in environments with strong static electricity/magnetic fields.
  4. Do not disassemble or pierce the product with sharp objects.
  5. Avoid wires or metal objects that could cause a short circuit.
  6. Use only official EcoFlow components or accessories.
  7. Strictly follow operating temperatures. High temperatures may cause fire/explosion; low temperatures may reduce performance or cause shutdown.
  8. Do not stack heavy objects on the product.
  9. Do not forcibly block the fan during use.
  10. Avoid impact, falls, or severe vibrations. Turn off immediately and stop use after severe external impact. Secure during transport.
  11. If dropped in water, place in a safe open area and stay away until dry. Do not use the dried product again; dispose of it properly. In case of fire, use water/mist, sand, fire blanket, dry powder, or CO2 extinguisher.
  12. Use a dry cloth to clean product ports.
  13. Place on a flat surface. If overturned and severely damaged, turn off immediately, place battery in an open area, keep away from combustibles, and dispose of according to local laws.
  14. Keep out of reach of children and pets.
  15. Store in a dry, ventilated place.
  16. Use moisture barrier bags in wet environments. If water is found inside, do not use or turn on. Take anti-electric shock measures before touching. Place in a safe, waterproof area and contact EcoFlow Customer Service immediately.
  17. Not recommended for powering critical medical emergency equipment (e.g., hospital ventilators, ECMO). Can power home ventilators (home CPAP) if not requiring continuous professional monitoring. Follow doctor's instructions and manufacturer's restrictions. Monitor power status for general medical equipment.
  18. Power supply products generate electromagnetic fields that may affect medical implants (pacemakers, hearing aids, etc.). Contact manufacturers for restrictions. Maintain a safe distance.
  19. AC Timeout Tip: As mentioned previously, the AC output can auto-turn off. Configure in the EcoFlow app for critical uses.

Operation in a residential environment may cause radio interference.

Disposal

  1. Fully discharge the battery before disposal in a designated battery recycling bin. Batteries contain hazardous chemicals; do not dispose of in ordinary trash. Follow local laws.
  2. If the battery cannot be fully discharged due to failure, contact a professional battery recycling company.
  3. Dispose of over-discharged batteries that cannot be recharged.

Certification and Compliance

FCC Warning

This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) it may not cause harmful interference, and (2) it must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the responsible party could void the user's authority to operate the equipment.

Note: Tested and found compliant with Class B digital device limits per FCC Rules, providing reasonable protection against harmful interference in residential installations. This equipment generates radio frequency energy and may cause interference if not installed and used per instructions. No guarantee of no interference in a particular installation. If interference occurs (determined by turning off/on), try measures like reorienting the antenna, increasing separation, connecting to a different circuit, or consulting a dealer/technician.

Complies with FCC radiation exposure limits for uncontrolled environments. Install and operate with at least 20cm distance from the body.

IC Warning

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to two conditions: (1) this device may not cause interference, and (2) it must accept any interference, including interference that may cause undesired operation.

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

IC RF Statement: Maintain a distance of 20cm from the body to ensure compliance with RF exposure requirements.

EU Recycling Information: This marking indicates the product should not be disposed of with household waste in the EU. Recycle properly to prevent environmental damage or health risks. Return used products to an appropriate collection point or retailer.

EcoFlow Inc. declares that this portable power station complies with Directives 2014/53/EU, 2011/65/EU(RoHS), (EU) 2015/863(RoHS). Full EU declaration of conformity available at:

Models: DELTA 2 Portable Power Station, Portable Power Station, Power Station, Station

File Info : application/pdf, 17 Pages, 6.51MB

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DELTA 2 USER MANUAL

References

macOS 版本14.4.1(版号23E224) Quartz PDFContext Safari浏览器

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