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EcoFlow Delta Pro 3 4096Wh Extra Battery

$3,99900 $4,39900
EcoFlow  |  SKU: EFDELTAPRO3-BAT

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Description

EcoFlow DELTA Pro 3 4096Wh Smart Extra Battery – Expandable Home Backup Power

The EcoFlow DELTA Pro 3 Smart Extra Battery gives you dependable backup power with more capacity and flexibility for your DELTA Pro 3 system.

With a rated 4096Wh capacity, this extra battery helps keep essential appliances and devices running longer.

You can expand capacity up to 12kWh by pairing additional batteries, or scale even further by integrating multiple DELTA Pro 3 units.

The advanced automotive-grade LiFePO₄ cells deliver up to 4000 cycles before reaching 80% capacity, giving you reliable use for almost 11 years.

The plug-and-play design makes it easy to connect without special tools or installation. Simply stack it with your DELTA Pro 3, and you’re ready to go.

A built-in Battery Management System (BMS) monitors voltage, current and temperature around the clock, protecting your battery’s health and ensuring safe operation.

The IP65-rated enclosure keeps dust and splashes out, while the robust Cell-To-Chassis design and fire-resistant casing add extra safety.

The included LED display shows real-time battery status at a glance, so you always know how much energy you have on hand.

Group of people sitting on a blanket outdoors with electronic devices
EcoFlow DELTA Pro 3 Smart Extra Battery displayed on a teal background. The left shows a close-up of the sleek silver and black battery unit, labelled “Smart Extra Battery.” On the right, the extra battery is shown stacked on top of a semi-transparent illustration of the main DELTA Pro 3 power station, highlighting its modular expansion and seamless integration.

Features and Benefits

  • 4096Wh capacity to extend runtime of your DELTA Pro 3
  • Expandable up to 12kWh with additional batteries
  • Automotive-grade LiFePO₄ cells with 4000 cycles to 80% capacity
  • Plug-and-play design with stackable housing
  • IP65-rated enclosure resists dust and water
  • Cell-To-Chassis structure and fire-resistant casing for added safety
  • Built-in BMS monitors voltage, current, and temperature 24/7
  • LED display shows real-time battery information
  • Weighs 33kg for manageable transport and installation

What’s in the Box

  • EcoFlow Delta Pro 3 Extra Battery
  • Extra Battery Flat Link Cable
  • Quick Start Guide
  • Safety Guide
  • Warranty Card

Specifications

  • Capacity
    4096Wh
  • Technical Specifications
    Output Port:
    40V-58.4V=100A Max

    Compatible with:
    EcoFlow DELTA Pro 3

    Discharge Temperature:
    -10°C ~ 45°C

    Storage Temperature:
    -10°C ~ 45°C

    Input Port:
    40V-58.4V=80A Max

    Display:
    LED Array

    Charge Temperature:
    0°C ~ 45°C
  • Weight
    33kg
  • Dimensions
    L x W x H:
    694mm x 295mm x 215mm
  • Colour
    Black, Dark Grey

Delivery

All orders are shipped from Australia with fast shipping from trusted couriers & order tracking notifications sent via SMS and email.

Complementary shipping insurance included at no extra cost.

Orders processed and shipped out in 5-7 business days

Delivered via courier 3-10 days

Pickup unavailable for this product

Note: Shipping charges apply per shipment and may vary depending on the warehouse location or supplier.

View our shipping policy for full delivery details.

Our customer support team is here to help with any delivery concerns.

Finance Options

Purchases up to $2,000

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Lifetime Support

Eco Off Grid customers get free lifetime product support from our experts.

Need help? Call us anytime 1300 676 523

EcoFlow Delta Pro 3 4096Wh Extra Battery Reviews

Frequently Asked Questions

How much extra runtime does this battery add to my DELTA Pro 3?

The 4096Wh capacity extends your total available energy so you can run appliances and devices much longer between charges. Actual runtime depends on how much power your connected devices use. For example, a fridge using 100W could run for about 40 hours with one extra battery added to your DELTA Pro 3.

Is this battery difficult to install?

No, installation is simple. The battery has a plug-and-play design with a dedicated connection cable included in the box. Just attach it to your DELTA Pro 3, stack it securely, and the system will automatically recognise the extra capacity. No tools or special wiring are needed.

How long will the battery last before it needs replacing?

The extra battery uses high-quality LiFePO₄ cells rated for 4000 cycles to 80% capacity. With regular use, you can expect up to 11 years of dependable performance before capacity naturally starts to decline.

What is your returns policy?

We know how crucial it is to find the perfect products for your access needs. To ensure you shop confidently, we proudly offer 100-day Free Returns on eligible products. 

If you need to return your product, we'll organise and cover the return shipping costs across Australia without any restocking fees or hidden costs.

You'll have the option for a store credit, a full refund, or an exchange when the returned products meet the return criteria:

  •  The products cannot be used, damaged or modified and must be returned in the original packaging materials.
  •  Some products, such as almost new, made-to-order, installed, and custom-made products, aren't eligible for return.
  •  The 100-Day period begins from the day that your order is delivered or picked up.
  •  Only valid for the original purchaser.
  •  Only valid for online sales via ecooffgrid.com.au.
  •  Refunds, store credits or item swaps apply only to the cost of the products. Installation fees and original shipping costs will not be refunded.

Find our more by visiting our Refund Policy page.

How long will it take to receive my order?

We understand your eagerness to start your eco-friendly journey. That's why we endeavor to dispatch your order within 24 hours, business efficiency at its best. A confirmation email, complete with tracking details, will follow, allowing you to monitor your package's progress towards its new sustainable home.

What is the warranty on EcoFlow items?

Eco Off Grid only works with well-known, industry-leading manufacturers such as EcoFlow. All products come with a minimum 12-month warranty.

Minor scratches and blemishes may be visible upon receipt of your item. However, if the item is delivered damaged please contact us immediately.

How can I learn more?

Here are some hand selected articles we think you'll find useful:

Or if you have further questions, check out our FAQ Page.

Help Finding The Right Product

Let our team of experts help you find the best suitable product for your needs with our free no obligation 1-1 product selection service. Click the button below to get started.

EcoFlow device on a white background with a teal gradient
EcoFlow

EcoFlow Delta Pro 3 4096Wh Extra Battery

$3,99900 $4,39900

EcoFlow DELTA Pro 3 4096Wh Smart Extra Battery – Expandable Home Backup Power

The EcoFlow DELTA Pro 3 Smart Extra Battery gives you dependable backup power with more capacity and flexibility for your DELTA Pro 3 system.

With a rated 4096Wh capacity, this extra battery helps keep essential appliances and devices running longer.

You can expand capacity up to 12kWh by pairing additional batteries, or scale even further by integrating multiple DELTA Pro 3 units.

The advanced automotive-grade LiFePO₄ cells deliver up to 4000 cycles before reaching 80% capacity, giving you reliable use for almost 11 years.

The plug-and-play design makes it easy to connect without special tools or installation. Simply stack it with your DELTA Pro 3, and you’re ready to go.

A built-in Battery Management System (BMS) monitors voltage, current and temperature around the clock, protecting your battery’s health and ensuring safe operation.

The IP65-rated enclosure keeps dust and splashes out, while the robust Cell-To-Chassis design and fire-resistant casing add extra safety.

The included LED display shows real-time battery status at a glance, so you always know how much energy you have on hand.

Group of people sitting on a blanket outdoors with electronic devices
EcoFlow DELTA Pro 3 Smart Extra Battery displayed on a teal background. The left shows a close-up of the sleek silver and black battery unit, labelled “Smart Extra Battery.” On the right, the extra battery is shown stacked on top of a semi-transparent illustration of the main DELTA Pro 3 power station, highlighting its modular expansion and seamless integration.

Features and Benefits

What’s in the Box

View product