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EcoFlow DELTA Pro 3 + DELTA Pro 3 Extra Battery
EcoFlow DELTA Pro 3 + DELTA Pro Extra Battery
A battery generator that powers almost all of your essential home appliances.
Powerful and Versatile - 120V/240V, 4000W in a single unit to power almost all of your home appliances.
Expandable Capacity - 4–48kWh, tailored to your energy needs.
The DELTA Pro Smart Extra Battery is compatible with the DELTA Pro 3.
Quiet Operation - Operates as low as 30 dB (under 2000W) for minimal noise.
Easy to Use - Plug-and-play design for hassle-free setup.
Fast Charging - Charges to 80% in just 50 minutes.
Multiple Charging Methods - 7 unique and 18 combo charging methods for maximum flexibility.

Effortless Power for Every Family Member
Quiet Comfort for Your Home and Neighbors, Too!
It's whisper-quiet with X-Quiet technology, ensuring a peaceful hum*, promising you a night of peaceful sleep even if you keep it beside your bed. It's so silent that you'll hardly notice it's there.
*as low as 30 dB, thanks to our X-Quiet tech

Freedom from Refueling Concerns
Charge up, fast, and everywhere
Introducing EcoFlow's groundbreaking X-Stream fast charging technology, setting a new industry standard. Charge from 0 to 80% in just 50 minutes. With multi-charge combinations, enjoy up to 7000W of super-fast charging.

7 unique and 18 combo charging methods to meet your charging needs anywhere, anytime
Effortless All-in-One Command with the EcoFlow App

Product Specifications
EcoFlow DELTA Pro 3 Portable Power Station Solar Generator Product Specifications

EcoFlow DELTA Pro 3 Smart Extra Battery Product Specifications

What's In The Box?

Product Manual
EcoFlow DELTA Pro 3 Portable Power Station Solar Generator Product Manual
EcoFlow DELTA Pro 3 Product Manual
Product Warranty & Returns
EcoFlow Product Warranty & Returns
Please note that the warranty period may vary according to local laws and regulations. Some countries, states, and provinces do not allow limitations on how long an implied warranty may last, so the limitation described above may not apply to you. You may have other rights from state to state, province, or country.
DO NOT USE YOUR PRODUCTS UNTIL YOU HAVE READ THE TERMS OF THE WARRANTY.
All EcoFlow products purchased come with a limited warranty, as shown below. BY USING ECOFLOW PRODUCTS, YOU AGREE TO BE BOUND BY THE TERMS OF THE ECOFLOW LIMITED WARRANTY.
The warranty period started when the original purchaser received the products.
Warranty Timeline
| Item | Warranty Period (refer to months, unless specified) |
|---|---|
| DELTA Max (1600/2000) DELTA Max Smart Extra Battery |
24+12 (Registration for warranty extension) |
| DELTA Pro DELTA Pro Smart Extra Battery |
24+36 (Registration for warranty extension) |
| DELTA mini DELTA Smart Generator (Dual Fuel) |
24 |
| 400W 220W 160W 110W 85W |
12 |
| 400W Rigid Solar Panel | 10 years |
| 100W Rigid Solar Panel |
60 |
| 100W Flexible Solar Panel | 36 |
| Wave Portable Air Conditioner Wave Add-On Battery |
12 |
| Accessories | 12 |
| Smart Generator | 12 |
| Power Hub Power Kits Console 2kWh/5kWh LFP Battery DELTA 2 DELTA 2 Extra Battery |
5 years |
Warranty extension
You can extend the warranty for products purchased between January 1, 2022, and August 31, 2022, by registering on the official website on or before October 15, 2022.
Warranty cannot be extended for products purchased before January 1, 2022.
Customers who have purchased products on or after September 1, 2022 will enjoy the warranty period (with warranty extension) listed in the table above. Customers are advised to complete registration as early as possible.
Exclusions and Limitations
This warranty does not apply:
· Non-quality related issues;
· Items purchased from unauthorized resellers;
· Purchases without valid proof of purchase;
· Items that have been refunded;
· Items that have expired their warranty period;
· Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals;
· Any defects or damages caused by exposure to excessive heat, liquids or other external causes;
· Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
· Lost or stolen products;
· Free products.
Cross-Regional After-Sales Service
EcoFlow does not provide a global product warranty, and the warranty service can only be obtained at a designated EcoFlow repair center.
To repair the product in an EcoFlow repair center when the product was purchased in another region, depending on part availability, customers can obtain a cross-regional repair service at an additional charge. (Some products do not support cross-regional repair even if the customer is willing to pay for the service. For more details, please contact EcoFlow Support.)
A cross-regional replacement service is not available for different versions of the same product.
The customer will need to bear customs duties, taxes, customs clearance, and other costs incurred for a cross-regional repair, regardless of whether it is the warranty or paid repair service.
Valid Proof of Purchase
- A purchase order number made through ecoflow.com;
- Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.
Warranty Registration
- Register your warranty at https://www.ecoflow.com/us/support/warranty
Return Material Authorization (RMA) process
- Contact EcoFlow Customer Service Team at [email protected] or +1 (800)-368-8604 (this number supports English service only. International charges apply if calling from outside of the US).
- If your item is eligible for an EcoFlow Warranty, you will receive a prepaid shipping label. Please follow the instructions provided by EcoFlow Support to properly pack the products and return them safely.
- Please note that we can only provide return shipping labels for return packages in United States. For returns in other countries and areas, please contact EcoFlow Support at [email protected] for more details.
Replacement
- In case of replacement, delivery of the replacement item will be arranged within 15 business days (subject to changes caused by force majeure) after confirming that the defective item has been received at our warehouse. The final resolution is subject to the availability of the replacement items.
- The replacement warranty will be covered by a period equal to the remaining warranty period of the original item.
Product FAQs
EcoFlow DELTA Pro 3 Product FAQs
1. Can EcoFlow DELTA Pro 3 be connected to EcoFlow Smart Home Panel 2 for use?
Yes, EcoFlow DELTA Pro 3 can be connected to EcoFlow Smart Home Panel 2 through the power input/output port.
2. Can EcoFlow DELTA Pro 3 be connected to EcoFlow 50 Amp Hub for Use?
Yes, EcoFlow DELTA Pro 3 can be connected to the EcoFlow 50 Amp Hub dedicated for EcoFlow DELTA Pro Ultra via the AC Power IN/OUT port, supporting the parallel connection of up to 2 sets of EcoFlow DELTA Pro 3.
3. What is the maximum solar input that EcoFlow DELTA Pro 3 can support?
EcoFlow DELTA Pro 3 has two PV input ports, which are for high-voltage PV port and low-voltage PV, respectively.High-voltage PV: 30-150V, 15A Max, 1600W Max. Low-voltage PV: 11-60V, 20A Max, 1000W Max.
4. How to reset the Bluetooth and Wi-Fi Connections on EcoFlow DELTA Pro 3?
When the device is powered off, press and hold the power button for more than 5 seconds. The device's LCD screen will light up, and then the screen will blink once (it must blink once), indicating that the Bluetooth connection has been successfully reset.
5. Can EcoFlow DELTA Pro 3 be used with an EV charger?
Yes, it supports Level 1/2 EV chargers. You will need to purchase a dedicated EcoFlow adapter, the EV X-Stream Adapter (DELTA Pro Ultra). Typyically, the grid charging port on the US model only supports AC 120V 2000W charging (Level 1). However, by using the AC POWER IN/OUT port along with the EV X-Stream Adapter (DELTA Pro Ultra), you can connect a 240V EV charger, increasing the charging rate to 4000W (Level 2).
6. Can EcoFlow DELTA Pro 3 output 120V and 240V AC power simultaneously?
No, but it can perform split-phase output as a standalone unit.There are two buttons for AC output: 120V AC ON/OFF and 240V AC ON/OFF.1. When the 120V AC button is pressed, four 120V 20A outlets and one 30A RV outlet will supply power, and the 240V outlet will be turned off.2. When the 240V AC button is pressed, one L14-30 split-phase outlet and one 6-20R 240V outlet output power, and the 120V outlet will be turned off.
7. Will EcoFlow DELTA PRO 3 automatically turn on if connected to solar panels while it is turned off?
Yes, it will.However, there are specific requirements for the light conditions. In weak lighting environments, it might not trigger the device to power on.
8. Which EcoFlow products are compatible with EcoFlow DELTA Pro 3? (Other EcoFlow products)
- EcoFlow 800W Alternator Charger
- EcoFlow Smart Home Panel 2
- EcoFlow Smart Generator (Dual Fuel)
- EcoFlow DELTA Pro to Smart Generator Adapter
- EcoFlow PowerInsight Home Energy Manager
- EcoFlow WAVE 2
- EcoFlow Smart Generator 4000 (Dual Fuel)
Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.
9. Which EcoFlow products are compatible with EcoFlow DELTA Pro 3? (EcoFlow DELTA Pro series)
- EcoFlow DELTA Pro Smart Extra Battery
- EcoFlow 50 Amp Hub (DELTA Pro Ultra)
- EcoFlow EV X-Stream Adapter (DELTA Pro Ultra)
- EcoFlow DELTA Pro Remote Control
Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.
10. How long is the cycle life of the battery in the EcoFlow DELTA Pro 3?
4000 cycles.After undergoing 4000 cycles at a rate of 0.5C/0.5C at 25°C (77°F), the battery maintains over 80% of its state of health (SoH).
11. What is the operational temperature range of EcoFlow DELTA Pro 3?
Optimal operating temperature: 20°C-30°CCharging temperature range: 0℃-45℃Discharge temperature range: –10℃-45℃Recommended long-term storage temperature: 20℃-30℃
12. How are the waterproof and dustproof capabilities of the EcoFlow DELTA Pro 3? Can the device be used outdoors?
As the core component of the device, the safety and protection level of the battery pack is crucial. To better protect the battery pack and reduce the risk of short circuits and fires caused by water ingress, the EcoFlow DELTA Pro 3 battery pack is sealed. It has reached an IP65 waterproof and dustproof rating, effectively preventing dust from entering and resisting water spray.However, the EcoFlow DELTA Pro 3 main unit does not have a waterproof and dustproof rating (IP20). The device is suitable for use in well-ventilated indoor environments or sheltered outdoor environments to avoid the impact of rain and dust on the device. Please ensure that the surrounding environment is dry and clean during installation and use to ensure the device's normal operation and longevity.
13. Does the EcoFlow DELTA Pro 3 have GFCI protection?
EcoFlow DELTA Pro 3 is equipped with an internal GFCI ground circuit. Users can connect an external GFCI protector according to their needs. When an external GFCI protector is connected to EcoFlow DELTA Pro 3, the GFCI support switch must be turned on in the app for the external GFCI protector to function properly.
14. Is the EcoFlow DELTA Pro 3 Extra Battery compatible with the EcoFlow DELTA Pro?
No, not supported.
15. Is the EcoFlow DELTA Pro Smart Extra Battery compatible with the EcoFlow DELTA Pro 3?
Yes, supported. Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.
16. Can the EcoFlow DELTA Pro 3 main unit be used with the EcoFlow DELTA PRo main unit?
No, not support.
17. Can the EcoFlow DELTA Pro 3 Smart Extra Battery and the EcoFlow DELTA Pro Smart Extra Battery be mixed and plugged into the EcoFlow DELTA Pro 3?
Supported. However, due to the different capacities of the EcoFlow DELTA Pro Extra Battery and the EcoFlow DELTA Pro 3 Extra Battery, there will be some SOC imbalance.
18. Is the EcoFlow DELTA Pro 3 compatible with the EcoFlow DELTA Pro Ultra?
No, not supported.
$3,999.00
EcoFlow DELTA Pro 3 + DELTA Pro 3 Extra Battery—
$3,999.00
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
EcoFlow DELTA Pro 3 + DELTA Pro Extra Battery
A battery generator that powers almost all of your essential home appliances.
Powerful and Versatile - 120V/240V, 4000W in a single unit to power almost all of your home appliances.
Expandable Capacity - 4–48kWh, tailored to your energy needs.
The DELTA Pro Smart Extra Battery is compatible with the DELTA Pro 3.
Quiet Operation - Operates as low as 30 dB (under 2000W) for minimal noise.
Easy to Use - Plug-and-play design for hassle-free setup.
Fast Charging - Charges to 80% in just 50 minutes.
Multiple Charging Methods - 7 unique and 18 combo charging methods for maximum flexibility.

Keep Your Home Running Smoothly
Effortless Power for Every Family Member
Quiet Comfort for Your Home and Neighbors, Too!
It's whisper-quiet with X-Quiet technology, ensuring a peaceful hum*, promising you a night of peaceful sleep even if you keep it beside your bed. It's so silent that you'll hardly notice it's there.
*as low as 30 dB, thanks to our X-Quiet tech

Freedom from Refueling Concerns
Charge up, fast, and everywhere
Introducing EcoFlow's groundbreaking X-Stream fast charging technology, setting a new industry standard. Charge from 0 to 80% in just 50 minutes. With multi-charge combinations, enjoy up to 7000W of super-fast charging.

7 unique and 18 combo charging methods to meet your charging needs anywhere, anytime
Effortless All-in-One Command with the EcoFlow App

Product Specifications
EcoFlow DELTA Pro 3 Portable Power Station Solar Generator Product Specifications

EcoFlow DELTA Pro 3 Smart Extra Battery Product Specifications

What's In The Box?

Product Manual
EcoFlow DELTA Pro 3 Portable Power Station Solar Generator Product Manual
EcoFlow DELTA Pro 3 Product Manual
Product Warranty & Returns
EcoFlow Product Warranty & Returns
Please note that the warranty period may vary according to local laws and regulations. Some countries, states, and provinces do not allow limitations on how long an implied warranty may last, so the limitation described above may not apply to you. You may have other rights from state to state, province, or country.
DO NOT USE YOUR PRODUCTS UNTIL YOU HAVE READ THE TERMS OF THE WARRANTY.
All EcoFlow products purchased come with a limited warranty, as shown below. BY USING ECOFLOW PRODUCTS, YOU AGREE TO BE BOUND BY THE TERMS OF THE ECOFLOW LIMITED WARRANTY.
The warranty period started when the original purchaser received the products.
Warranty Timeline
| Item | Warranty Period (refer to months, unless specified) |
|---|---|
| DELTA Max (1600/2000) DELTA Max Smart Extra Battery |
24+12 (Registration for warranty extension) |
| DELTA Pro DELTA Pro Smart Extra Battery |
24+36 (Registration for warranty extension) |
| DELTA mini DELTA Smart Generator (Dual Fuel) |
24 |
| 400W 220W 160W 110W 85W |
12 |
| 400W Rigid Solar Panel | 10 years |
| 100W Rigid Solar Panel |
60 |
| 100W Flexible Solar Panel | 36 |
| Wave Portable Air Conditioner Wave Add-On Battery |
12 |
| Accessories | 12 |
| Smart Generator | 12 |
| Power Hub Power Kits Console 2kWh/5kWh LFP Battery DELTA 2 DELTA 2 Extra Battery |
5 years |
Warranty extension
You can extend the warranty for products purchased between January 1, 2022, and August 31, 2022, by registering on the official website on or before October 15, 2022.
Warranty cannot be extended for products purchased before January 1, 2022.
Customers who have purchased products on or after September 1, 2022 will enjoy the warranty period (with warranty extension) listed in the table above. Customers are advised to complete registration as early as possible.
Exclusions and Limitations
This warranty does not apply:
· Non-quality related issues;
· Items purchased from unauthorized resellers;
· Purchases without valid proof of purchase;
· Items that have been refunded;
· Items that have expired their warranty period;
· Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals;
· Any defects or damages caused by exposure to excessive heat, liquids or other external causes;
· Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
· Lost or stolen products;
· Free products.
Cross-Regional After-Sales Service
EcoFlow does not provide a global product warranty, and the warranty service can only be obtained at a designated EcoFlow repair center.
To repair the product in an EcoFlow repair center when the product was purchased in another region, depending on part availability, customers can obtain a cross-regional repair service at an additional charge. (Some products do not support cross-regional repair even if the customer is willing to pay for the service. For more details, please contact EcoFlow Support.)
A cross-regional replacement service is not available for different versions of the same product.
The customer will need to bear customs duties, taxes, customs clearance, and other costs incurred for a cross-regional repair, regardless of whether it is the warranty or paid repair service.
Valid Proof of Purchase
- A purchase order number made through ecoflow.com;
- Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.
Warranty Registration
- Register your warranty at https://www.ecoflow.com/us/support/warranty
Return Material Authorization (RMA) process
- Contact EcoFlow Customer Service Team at [email protected] or +1 (800)-368-8604 (this number supports English service only. International charges apply if calling from outside of the US).
- If your item is eligible for an EcoFlow Warranty, you will receive a prepaid shipping label. Please follow the instructions provided by EcoFlow Support to properly pack the products and return them safely.
- Please note that we can only provide return shipping labels for return packages in United States. For returns in other countries and areas, please contact EcoFlow Support at [email protected] for more details.
Replacement
- In case of replacement, delivery of the replacement item will be arranged within 15 business days (subject to changes caused by force majeure) after confirming that the defective item has been received at our warehouse. The final resolution is subject to the availability of the replacement items.
- The replacement warranty will be covered by a period equal to the remaining warranty period of the original item.
Product FAQs
EcoFlow DELTA Pro 3 Product FAQs
1. Can EcoFlow DELTA Pro 3 be connected to EcoFlow Smart Home Panel 2 for use?
Yes, EcoFlow DELTA Pro 3 can be connected to EcoFlow Smart Home Panel 2 through the power input/output port.
2. Can EcoFlow DELTA Pro 3 be connected to EcoFlow 50 Amp Hub for Use?
Yes, EcoFlow DELTA Pro 3 can be connected to the EcoFlow 50 Amp Hub dedicated for EcoFlow DELTA Pro Ultra via the AC Power IN/OUT port, supporting the parallel connection of up to 2 sets of EcoFlow DELTA Pro 3.
3. What is the maximum solar input that EcoFlow DELTA Pro 3 can support?
EcoFlow DELTA Pro 3 has two PV input ports, which are for high-voltage PV port and low-voltage PV, respectively.High-voltage PV: 30-150V, 15A Max, 1600W Max. Low-voltage PV: 11-60V, 20A Max, 1000W Max.
4. How to reset the Bluetooth and Wi-Fi Connections on EcoFlow DELTA Pro 3?
When the device is powered off, press and hold the power button for more than 5 seconds. The device's LCD screen will light up, and then the screen will blink once (it must blink once), indicating that the Bluetooth connection has been successfully reset.
5. Can EcoFlow DELTA Pro 3 be used with an EV charger?
Yes, it supports Level 1/2 EV chargers. You will need to purchase a dedicated EcoFlow adapter, the EV X-Stream Adapter (DELTA Pro Ultra). Typyically, the grid charging port on the US model only supports AC 120V 2000W charging (Level 1). However, by using the AC POWER IN/OUT port along with the EV X-Stream Adapter (DELTA Pro Ultra), you can connect a 240V EV charger, increasing the charging rate to 4000W (Level 2).
6. Can EcoFlow DELTA Pro 3 output 120V and 240V AC power simultaneously?
No, but it can perform split-phase output as a standalone unit.There are two buttons for AC output: 120V AC ON/OFF and 240V AC ON/OFF.1. When the 120V AC button is pressed, four 120V 20A outlets and one 30A RV outlet will supply power, and the 240V outlet will be turned off.2. When the 240V AC button is pressed, one L14-30 split-phase outlet and one 6-20R 240V outlet output power, and the 120V outlet will be turned off.
7. Will EcoFlow DELTA PRO 3 automatically turn on if connected to solar panels while it is turned off?
Yes, it will.However, there are specific requirements for the light conditions. In weak lighting environments, it might not trigger the device to power on.
8. Which EcoFlow products are compatible with EcoFlow DELTA Pro 3? (Other EcoFlow products)
- EcoFlow 800W Alternator Charger
- EcoFlow Smart Home Panel 2
- EcoFlow Smart Generator (Dual Fuel)
- EcoFlow DELTA Pro to Smart Generator Adapter
- EcoFlow PowerInsight Home Energy Manager
- EcoFlow WAVE 2
- EcoFlow Smart Generator 4000 (Dual Fuel)
Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.
9. Which EcoFlow products are compatible with EcoFlow DELTA Pro 3? (EcoFlow DELTA Pro series)
- EcoFlow DELTA Pro Smart Extra Battery
- EcoFlow 50 Amp Hub (DELTA Pro Ultra)
- EcoFlow EV X-Stream Adapter (DELTA Pro Ultra)
- EcoFlow DELTA Pro Remote Control
Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.
10. How long is the cycle life of the battery in the EcoFlow DELTA Pro 3?
4000 cycles.After undergoing 4000 cycles at a rate of 0.5C/0.5C at 25°C (77°F), the battery maintains over 80% of its state of health (SoH).
11. What is the operational temperature range of EcoFlow DELTA Pro 3?
Optimal operating temperature: 20°C-30°CCharging temperature range: 0℃-45℃Discharge temperature range: –10℃-45℃Recommended long-term storage temperature: 20℃-30℃
12. How are the waterproof and dustproof capabilities of the EcoFlow DELTA Pro 3? Can the device be used outdoors?
As the core component of the device, the safety and protection level of the battery pack is crucial. To better protect the battery pack and reduce the risk of short circuits and fires caused by water ingress, the EcoFlow DELTA Pro 3 battery pack is sealed. It has reached an IP65 waterproof and dustproof rating, effectively preventing dust from entering and resisting water spray.However, the EcoFlow DELTA Pro 3 main unit does not have a waterproof and dustproof rating (IP20). The device is suitable for use in well-ventilated indoor environments or sheltered outdoor environments to avoid the impact of rain and dust on the device. Please ensure that the surrounding environment is dry and clean during installation and use to ensure the device's normal operation and longevity.
13. Does the EcoFlow DELTA Pro 3 have GFCI protection?
EcoFlow DELTA Pro 3 is equipped with an internal GFCI ground circuit. Users can connect an external GFCI protector according to their needs. When an external GFCI protector is connected to EcoFlow DELTA Pro 3, the GFCI support switch must be turned on in the app for the external GFCI protector to function properly.
14. Is the EcoFlow DELTA Pro 3 Extra Battery compatible with the EcoFlow DELTA Pro?
No, not supported.
15. Is the EcoFlow DELTA Pro Smart Extra Battery compatible with the EcoFlow DELTA Pro 3?
Yes, supported. Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.
16. Can the EcoFlow DELTA Pro 3 main unit be used with the EcoFlow DELTA PRo main unit?
No, not support.
17. Can the EcoFlow DELTA Pro 3 Smart Extra Battery and the EcoFlow DELTA Pro Smart Extra Battery be mixed and plugged into the EcoFlow DELTA Pro 3?
Supported. However, due to the different capacities of the EcoFlow DELTA Pro Extra Battery and the EcoFlow DELTA Pro 3 Extra Battery, there will be some SOC imbalance.
18. Is the EcoFlow DELTA Pro 3 compatible with the EcoFlow DELTA Pro Ultra?
No, not supported.




























