EcoFlow New Zealand | Official Store

EcoFlow DELTA Pro 3 Smart Extra Battery|4096Wh

$4,599.00

Tax included Shipping calculated at checkout.

Seamless Compatibility - Designed exclusively for EcoFlow DELTA Pro 3.
Scalable Energy – Expand your storage up to 12kWh with multiple batteries.
Long-Lasting Battery - LFP battery with 4000 life cycles to 80% capacity.
Simple Setup – Plug-and-play connection without tools or wiring.
Stackable Design - Perfect for home or indoor power backup applications.

Delivery and Shipping

At EcoFlow, we want to make your shopping experience as convenient as possible. Here's everything you need to know about our shipping policy:

Shipping Rates

For orders under $300, a flat rate shipping fee will be applied at checkout.
Orders totaling $300 or more qualify for free standard shipping within New Zealand.

Shipping Methods

We offer standard shipping for most orders, with estimated delivery times of 2~3 days.
Expedited shipping options may be available for an additional fee. Please contact us for more information.

Order Processing Time

Orders are typically processed and shipped within 1 business days after payment is received.
You will receive a shipping confirmation email with tracking information once your order has been dispatched.

International Shipping

Unfortunately, we do not offer international shipping at this time.

Delivery Issues

If you have any issues with the delivery of your order, please contact us immediately, and we will do our best to resolve the issue.

Questions or Concerns

If you have any questions or concerns about our shipping policy, please don't hesitate to contact us. We're here to help!

Thank you for choosing EcoFlow, We appreciate your business!

Payment & Security

Payment methods

Afterpay & POLi

All transactions are secure and encrypted.

EcoFlow DELTA Pro 3 Smart Extra Battery

*Note: The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.

Plug and Play

The Smart Extra Battery connects effortlessly to your DELTA Pro 3 with a true plug-and-play setup. Its compact, stackable design makes it easy to manage power at home or on the go.

Explore the Secure Feeling EcoFlow Brings to You

Built with state-of-the-art automotive-grade LFP cells for safe and reliable service. Our strong 5-year warranty ensures peace of mind.

Energize Every Moment That Needs Electricity

Power almost all your essential home appliances with the robust 4000W and 230V capabilities of a single unit. Add extra batteries to extend the convenience even further.

Off-grid
RV
Jobsite

Portability Meets Design

Engineered for flexible use, with wider wheels, a compact form, and ergonomic handles for easy indoor or RV mobility.

Effortless All-in-One Command With the EcoFlow App

Use the EcoFlow app to monitor, control, and optimize your power usage in real time—from anywhere, anytime.

What's In The Box?

FAQ

What is the maximum solar input for the EcoFlow DELTA Pro 3?

The DELTA Pro 3 features two PV input ports:

High-voltage PV port: 30–150V, 15A max, 1600W max
Low-voltage PV port: 11–60V, 20A max, 1000W max

How to reset the Bluetooth and Wi-Fi connections on EcoFlow DELTA Pro 3?

While the device is powered off, press and hold the power button for more than 5 seconds. The screen will light up and blink once—this blink confirms a successful reset of the Bluetooth and Wi-Fi settings.

Can the 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.

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.
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.

Will the EcoFlow DELTA Pro 3 automatically turn on when connected to solar panels while powered off?

Yes, the unit will automatically power on when connected to solar panels. However, sufficient sunlight is required. In low-light conditions, auto-start may not be triggered.

Which EcoFlow products are compatible with the DELTA Pro 3?

Accessories and Devices:

EcoFlow 800W Alternator Charger
EcoFlow Smart Generator (Dual Fuel)
EcoFlow DELTA Pro to Smart Generator Adapter
EcoFlow WAVE 2

DELTA Pro Series Accessories:

EcoFlow DELTA Pro Smart Extra Battery
EcoFlow DELTA Pro Remote Control

Please note that all devices need to be upgraded to the latest firmware version to ensure compatibility.

What is the cycle life of the EcoFlow DELTA Pro 3 battery?

The battery supports 4,000 cycles at 0.5C/0.5C at 25°C (77°F), maintaining over 80% State of Health (SoH).

What is the operating temperature range of the EcoFlow DELTA Pro 3?

Optimal operating temperature: 20°C-30°C
Charging temperature: 0℃-45℃
Discharge temperature: –10℃-45℃
Recommended long-term storage temperature: 20℃-30℃

Is the EcoFlow DELTA Pro 3 waterproof or dustproof?

The battery pack is IP65 rated, providing strong protection against dust and water spray.
However, the main unit has an IP20 rating and is not waterproof. It should only be used in dry, well-ventilated indoor areas or sheltered outdoor spaces. Avoid exposure to rain or heavy dust.

Does the EcoFlow DELTA Pro 3 support GFCI protection?

Yes. The device includes an internal GFCI ground circuit. If you connect an external GFCI protector, be sure to enable the GFCI support switch in the EcoFlow app for proper operation.

Is the EcoFlow DELTA Pro 3 Extra Battery compatible with the EcoFlow DELTA Pro?

No, not supported.

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.

Can the EcoFlow DELTA Pro 3 main unit be used with the EcoFlow DELTA Pro main unit?