EcoFlow DELTA Pro User Manual
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.
DISCLAIMER
EcoFlow DELTA Pro
（Hereinafter referred to as DELTA Pro）
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3.1 Product Details
3.2 LCD Screen
3.3 General Product Usage
3.4 AC Charging
3.5 Solar Charging
3.6 Car Charging
3.7 Using Smart Extra Battery
3.8 APP
3.9 X-Boost
3.10 Emergency Power Supply (EPS)
2. Safety Instructions
1. Specifications
3. Getting Started
4. FAQs
5. Troubleshooting
6. What’s In the Box
7. Storage & Maintenance
8. Fcc Statement
CONTENTS
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2.1 Usage
2.2 Disposal Guide
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1. Specifications
Input Ports
AC Charge
AC Input Voltage
Solar Charger
Car Charger
120V~ 1800W Max, 240V 3000W Max
100-120V~ 15A, 220-240V~ 12.5A, 50Hz/60Hz
11-150V 15A Max, 1600W Max
Supports 12V/24V Battery, Default 8A
USB-A (x2)
USB-A Fast Charge (x2)
USB-C (x2)
Car Charger
DC5521 Output (x2)
Anderson Output
5V 2.4A, 12W Max per port, total 24W
5V 2.4A 9V 2A 12V 1.5A, 18W Max per port, total 36W
5/9/12/15/20V 5A, 100W Max per port, total 200W
12.6V 10A, 126W Max
12.6V 3A, 38W Max per port
12.6V 30A, 378W Max
General Info
Output Ports
Net Weight
Dimensions
Capacity
Wi-Fi
Bluetooth
Approximately 45kg (99lbs)
635x284x416mm (25x11.2x16.4in)
3600Wh, 48V
Supported
Supported
Battery Info
Cell Chemistry
Cycle Life
LFP
3500 cycles to 80%+ capacity
* A car charger shares power with the DC5521 output port, offering a maximum output of 126W.
AC (x5) Pure Sine Wave, 3600W total (surge 7200W),
120V~ (60Hz)
Protection
Over Voltage Protection, Overload Protection,
Over Temperature Protection, Short Circuit
Protection, Low Temperature Protection, Low
Voltage Protection, Overcurrent Protection
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Add-ons (sold separately)
Up to two units
Wired or wireless
Charge from electric vehicle charging
DELTA Pro Smart Extra Battery
EcoFlow Smart Generator
DELTA Pro Remote Control
Double Voltage Hub
EV X-Stream Adapter
Environmental Operating Temperature
Optimal Operating Temperature
Discharge Temperature
Charge Temperature
Storage Temperature
20°C ~ 30°C (68°F ~ 86°F)
-10°C ~ 45°C (14°F ~ 113°F)
0°C ~ 45°C (32°F ~ 113°F)
-10°C ~ 45°C (14°F ~ 113°F)
(optimal: 20°C ~ 30°C (68°F ~ 86°F))
* Whether the product can be charged or discharged depends on the actual temperature of the battery pack.
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2.2 Disposal Guide
2. Safety Instructions
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.
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. Consult official EcoFlow channels if you need to replace
anything.
7. It is highly recommended that third-party accessories are purchased from reliable distributors and
that they match your product’s specifications. EcoFlow is not liable for abnormality, inconvenience,
losses or expenses resulting from defective third-party accessories.
8. 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.
9. Do not stack any heavy objects on the product.
10. Do not lock the fan forcibly during use or place the product in an unventilated or dusty area.
11. 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.
12. 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.
13. Only clean the ports with a dry cloth.
14. 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
15. Keep out of reach of children and pets.
2.1 Usage
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3.1 Product Details
3. Getting Started
Pairing Status
Anderson Port
Remote Control Port
IOT Button
Pairing Button
AC Charge Speed Switch
LCD Screen
Ambient Light Detection
USB-C 100W
Output Port (*2)
USB-A Output Port (*2) USB-A Fast Charge Output Port (*2)
Main Power Button
AC Output Sockets
(20A Max per port) AC Output Socket
(30A Max per port)
AC Power Button
Solar/Car Charging
Input Port
Overload Protection
Switch
Extra Battery Port (*2)
12V DC Power Button
Infinity Port
Car Outlet
DC5521 Output Port
*Bluetooth standby switch: When the Bluetooth standby switch is turned on, use the DELTA Pro
Remote Control (sold separately) or EcoFlow app to remotely turn on/off this product.
Bluetooth standby switch
(only for DELTA Pro Remote Control and app control)
X-Stream AC Charging
Input Port
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3.2 LCD Screen
Appears whenever a connected EcoFlow Smart Generator automatically
shuts off after detecting unsafe carbon monoxide levels.
Refer to the EcoFlow app for specific error codes.
After the IOT button has been pressed for 3 seconds, the Wi-Fi icon will
flash to indicate the product is ready for pairing. Connect the product
with the app, either (1) by finding the product on your phone's Wi-Fi
connections or (2) by connecting the product to the internet. If the former,
the icon will keep flashing; if the latter, the icon will not flash.
The ring will fill up while charging. If the product is at 0% charge, the ring
will flash
Battery Level Indicator:
Wi-Fi Status:
Error Code:
Carbon Monoxide Alert:
* See Section 5 for more troubleshooting steps.
Remote Control Indicator
Pairing Indicator
State of Charge
Remaining Charge/
Discharge Time
EV X-Stream Charging Indicator
Remaining Battery Percentage
Wi-Fi Status
Smart home panel
Double Power
Indicator DC Output
Smart Generator Indicator
Overload Warning
Extra Battery
Indicator
AC Output
USB-A/USB-C
Output
Low Temperature
Warning
High Temperature
Warning
Fan Indicator
Output Power
Battery Failure Warning
Error Code
Carbon Monoxide Alert
Solar Panel Indicator
Input Power
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With the Main Power Button turned on, short press the 12V
DC Power Button to use the 12V DC Output port. Short press
the 12V DC Power Button again to turn it off.
With the 12V DC Power Button on, the product will not
automatically shut down.
12V DC Output Port
With the Main Power Button turned on, short press the AC
Power Button to use the AC Output ports. Short press the
AC Power Button again to turn it off.
The default standby time of the AC Output port is 12 hours.
Without any load access for 12 hours, the AC Power will
automatically turn off.
Please turn off AC power button when not in use to save
power consumption.
AC Output Port
Short Press
12V DC Power Button
Short Press
AC Power Button
Product On, Product Off, LCD Screen On
3.3 General Product Usage
Short Press to Turn On Long Press to Turn Off
Short press the Main Power Button to turn on the product; the LCD Screen will light up and the
battery level indicator icon will display.
The product enters sleep mode after 5 minutes of idle operation; the LCD Screen will automatically
turn off. When the product senses any load change or operations, the LCD Screen will automatically
light up. To turn the LCD Screen on or off, please short press the Main Power Button.
To power off the product, press and hold the Main Power Button.
The default product standby time is 2 hours. With other Power Buttons turned off and no other load
access for 2 hours, the product will automatically shut down. The standby time can be set on the APP.
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X-Stream Fast Charging
1800W Max input Power
EcoFlow’s X-Stream fast charge technology is specifically for AC charging, offering 1800W of max
input power. You can control the charging power through the AC Charge Speed Switch. The default
max input power for the AC charging speed is 400W, which can be modified in the EcoFlow app.
In case of unusual situations where the AC input current remains higher than 20A, the X-Stream
charging input port will initiate a self-protection function, and the Overload Protection Switch on the
product will automatically pop up. After confirming that there is no product failure, you can press the
Overload Protection Switch to resume charging.
The charging power can be adjusted through the AC Charge Speed Switch on the back of the
product. You can set the charging power range in the EcoFlow App.
Please use the AC Charging Cable included in the package for fast charging. Do not use other cables
to charge. Plug directly into an AC wall outlet and make sure that the wall output current is more than
15A. Otherwise, reduce the unit charging speed with the AC Charge Speed Switch. EcoFlow takes
no responsibilities for any consequences caused by failures to follow instructions, including but not
limited to charging with other AC charging cables.
EcoFlow APP
≈2.7 hrs Full Charge
3.4 AC Charging
English editio n
AC Charging
Cable
Customized Charging Power Rate
Range: 200-1800W
(Default: 400W)
X-Stream Fast Charging
1800W Max input Power
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Users can connect solar panels in series as shown in the figure to recharge the product. The product
supports 11-150V DC input, 15A max current, and 1600W max charging power.
When using an EcoFlow solar panel to charge the product, please follow the instructions that come
with the solar panel.
Before connecting the solar panel, please ensure that the solar panel’s output voltage is within 150V
to avoid product damages.
Users can recharge the product through the Car Outlet. It supports 12V/24V car chargers and an 8A
default charging current.
Please charge using the car charger after you’ve started the car to avoid failure to start due to
insufficient car battery. In addition, please make sure that the cigarette lighter of the Car Outlet and
the Car Charger Input Cable are in good condition. EcoFlow takes no responsibilities for any losses or
damages caused by failures to follow instructions.
3.5 Solar Charging
3.6 Car Charging
Car Charging Cable
MC4
Solar Charging Cable
Solar Panel
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A single DELTA Pro can link with up to two Smart Extra
Batteries at once for added capacity. Refer to the user
manuals of the Smart Extra Battery and Smart Generator
for detailed instructions.
Precautions:
1. Turn off both the Smart Extra Battery and DELTA Pro
before connecting or disconnecting them.
2. Before using, make sure both DELTA Pro and Smart Extra
Battery display the extra battery icon on their screens.
3. Turn off the Smart Battery before connecting or
disconnecting it.
4. Do not touch the metal terminals of the Smart Extra
Battery connector. If the metal terminals need to be
cleaned, gently wipe them with a dry cloth.
With EcoFlow X-Boost technology, the product can power a 4500W Max device while the rated
output power remains 3600W, avoiding operation failure due to overload protection.
X-Boost Tips:
1. X-Boost is not available when the AC output is turned on in a recharging state (in bypass mode).
2. X-Boost is not applicable for all electrical appliances; it’s incompatible with appliances with strict
voltage requirements and a rated power over 3600W. Appliances with voltage protection
(such as precise instruments) are not supported. X-Boost mode is more suitable for heating
devices. Please conduct your own tests with your devices with X-Boost enabled.
3.7 Using Smart Extra Battery
3.8 APP
3.9 X-Boost
The EcoFlow App gives users the ability to control and monitor EcoFlow
power stations remotely.
Read the EcoFlow App user guide and access the download link here:
https://ecoflow.com/pages/ecoflow-app
Privacy Policy
By using EcoFlow Products, Applications and Services, you consent to
the EcoFlow Term of Use and Privacy Policy, which you can access via
the "About" section of the "User" page on the EcoFlow App or on the
official EcoFlow website at https://ecoflow.com/pages/terms-of-use
and https://ecoflow.com/pages/privacy-policy
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1. What battery does the product use?
It uses high-quality LFP battery.
2. What devices can the product’s AC output port power?
With 3600W rated power and 7200W peak power, the product’s AC output port can power
most household appliances. Before you use it, we recommend that you confirm the power of the
appliances first and ensure the power sum of all loaded appliances is lower than the rated power.
3. How long can the product charge my devices?
The charging time is shown on the product’s LCD Screen, which can be used to estimate the charging
time of most appliances with stable power usage.
4. How can I know if the product is charging?
When it’s charging, the remaining charging time will be shown on the LCD Screen. Meanwhile, the
charging indicator icon begins to rotate with the remaining battery percentage and the input power
shown on the right of the circle.
5. How to clean the product?
Please gently wipe it with a dry, soft, clean cloth or paper towel.
6. How to store the product?
Before storing, please turn off the product first, and then store it in a dry, ventilated place at room
temperature. Do not place it near water sources. For long-term storage, please discharge the battery
to 30% and recharge it to 60% every three months to extend its battery life.
7. Can I bring the product on a plane?
No.
8. How do I recharge DELTA Pro at 200V–240V in a 100V–120V region?
The cable provided with your DELTA Pro won’t plug into higher-voltage outlets, and you’ll need a
third party adapter/charging cable.
4. FAQs
The product supports EPS. When you connect the grid power to the AC Input Port of the product
through an AC cable, you can power electrical devices through the AC Output Port (AC power will
come from the grid and not the power station in this situation). In case of a sudden blackout, the
product can automatically switch to the battery powered supply mode within 30ms. As a basic UPS
function, this function does not support 0ms switching. Please do not connect the product to any
device that requires 0ms UPS, such as data servers and workstations. Please test and confirm the
compatibility before using the product. We recommend that you only charge one device at a time
and avoid using multiple ones at the same time to avoid overload protection. EcoFlow takes no
responsibilities for any device failures or data losses caused by failures to follow instructions.
3.10 Emergency Power Supply (EPS)
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5. Troubleshooting
If the Alarm Prompt shows on the product LCD screen during use and does not disappear after a
restart, please stop using it immediately (do not try to charge or discharge).
If you require any other assitance, please contact EcoFlow Customer Service.
Indicator Problem
Resume normal operation by
removing the electrical device
connected to the USB-A port.
Resume normal operation by
removing the electrical device
connected to the USB-C port.
After the product cools down,
it will resume normal operation
automatically.
Charging can be resumed
automatically after the battery cools
down.
The power supply can be resumed
automatically after the battery cools
down.
Charging can be resumed
automatically after battery
temperature rises above 5°C (41°F).
The power supply can be resumed
automatically after the battery
temperature rises above -12°C (10°F).
Please confirm whether the fan inlet
and outlet are blocked, if not, normal
operation will be resumed automatically
after the product temperature drops.
Normal operation will be resumed
automatically after the product is
used at optimum environmental
temperatures.
Please check if the fan is blocked by
foreign materials.
After the product cools down,
it will resume normal operation
automatically.
Contact EcoFlow Customer Service
Normal operation will be resumed
automatically after you remove the
overloaded device and restart the
product.
Electrical appliances should be used
within rated power.
(Refer to X-Boost instructions
to get more details about power
limitations).
Solution
The product will resume normal
operation automatically after you
remove the device connected to the car
charger.
USB-A Overload
Protection
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Flashing)
(Stays On)
USB-C Overload
Protection
USB-C High
Temperature Protection
High Temperature
Charge Protection
High Temperature
Discharge Protection
Low Temperature
Charge Protection
Low Temperature
Discharge Protection
AC Output
Overload Protection
AC High
Temperature Protection
AC Low
Temperature Protection
Fan Blockage
Car Charger
Overload Protection
Car Charger High
Temperature Protection
Battery Failure
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1. Ideally, use and store the product between 20°C ~ 30°C (68°F ~ 86°F), and always 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 an extended period.
2. Storing a battery with a low charge for a long period shortens its lifespan. DELTA Pro mitigates the
damage by putting the battery into hibernation mode. To get the most out of the battery, make
sure it is about 60% before putting DELTA Pro into long-term storage, and then once every three
months, discharge the battery to 30% and recharge it back to 60%.
6. What’s In the Box
7. Storage & Maintenance
Solar Charging Cable
User Manual &
Warranty Card
DELTA Pro
DC5521 to DC5525 Cable
AC Charging Cable
Handle Cover
Car Charging Cable
DELTA Pro to
Smart Generator Adapter
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This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operation.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance 20cm
between the radiator & your body.
Warning: Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
8. Fcc Statement
EcoFlow DELTAPro Manuel d'utilisation
Lisez attentivement l'ensemble des conseils de sécurité, messages d'avertissement,
conditions d'utilisation et clauses de non-responsabilité. Reportez-vous aux
conditions d'utilisation et à la clause de non-responsabilité disponibles sur le site
https://ecoflow.com/pages/terms-of-use ainsi qu'aux autocollants apposés sur le
produit avant l'utilisation. L'utilisateur assume l'entière responsabilité de l'utilisation
et du fonctionnement du produit. Familiarisez-vous avec les réglementations en
vigueur dans votre région. Il vous incombe de connaître toutes les réglementations
pertinentes et d'utiliser les produits EcoFlow de manière conforme.
CLAUSE DE NON-RESPONSABILITÉ
EcoFlow DELTAPro (ci-après nommé DELTAPro)
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3.1Détails du produit
3.2ÉcranLCD
3.3Utilisation générale du produit
3.4Charge sur secteur (CA)
3.5Charge solaire
3.6Charge en voiture
3.7 Utilisation de la batterie
supplémentaire intelligente
3.8Application
3.9X-Boost
3.10 Alimentation électrique
d'urgence(EPS)
2. Instructions de sécurité
1. Spécifications
3. Pour commencer
4. Foire aux questions
5. Dépannage
6. Contenu de la boîte
7. Stockage et entretien
8. Déclaration Fcc
TABLE DES MATIÈRES
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2.1Utilisation
2.2Guide de mise au rebut
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1. Spécifications
Ports d'entrée
ChargeCA
Tension d'entréeCA
Chargeur solaire
Chargeur de voiture
120V~ 1800W max, 240V~ 3000W max
100-120V~ 15A, 220-240V~ 12.5A, 50Hz/60Hz
11-150V 15A max., 1600W max.
Prend en charge les batteries 12V/24V, 8A par défaut
USB-A (x2)
Charge rapideUSB-A (x2)
USB-C (x2)
Chargeur de voiture
SortieDC5521 (x2)
SortieAnderson
5V 2,4A, 12Wmax. par port, total 24W
5V 2,4A 9V 2A 12V 1,5A, 18W max. par port, total 36W
5/9/12/15/20V 5A, 100W max. par port, total 200W
12,6V 10A, 126W max.
12,6V 3A, 38W max. par port
12,6V 30A, 378W max.
Informations générales
Ports de sortie
Poids net
Dimensions
Capacité
Wi-Fi
Bluetooth
Environ 45kg (99lb)
635x284x416mm (25x11,2x16,4pouces)
3600Wh, 48V
Pris en charge
Pris en charge
Informations relatives à la batterie
Chimie cellulaire
Cycle de vie
LFP
Capacité de 3500cycles à 80% ou plus
*Un chargeur de voiture partage l'alimentation avec le port de sortieDC5521, offrant une puissance
maximale de 126W.
CA (x5) Onde sinusoïdale pure, 3600W au total
(surtension: 7200W), 120V~ (60Hz)
Protection
Protection contre les surtensions, protection contre
les surcharges, protection contre les surchauffes,
protection contre les courts-circuits, protection contre
les basses températures, protection contre les basses
tensions, protection contre les surintensités
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dans d''autres langues
- English: EcoFlow DELTA Pro User manual
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