Customer support available Monday-Friday 9am-5pm AEST

Trusted by customers with 5-star reviews

Helping Aussies go one step greener

EOFY SALE — 10% OFF Storewide | Use Code: EOFY2026 | Ends 1 Jul

EcoFlow Battery for Wave 3 Portable Air Conditioner

$1,29900
Eco Off Grid  |  SKU: EFWAVE3-BATT

fast box Orders processed and shipped out in 5-7 business days warranty icon Covered by the Eco Off Grid product warranty returns icon 100-day free returns quote request icon Request a free  quotation

Description

1024Wh LFP Wave 3 Add‑On Battery for Extended Wireless Comfort

Extend your EcoFlow Wave 3 Portable Air Conditioner with this high‑capacity 1024Wh add‑on battery. It gives you reliable cordless cooling or heating when mains power isn’t available. The battery is easy to attach and remove, so you can carry it with you or stow it away when you don’t need it.

Built with long‑lasting LFP battery chemistry, this unit holds more than 80% capacity even after about 4,000 cycles. It’s robust, easy to use, and packed with smart features like USB outputs for charging devices. Lightweight and rugged, it works with multiple charging options so you can keep your Wave 3 running wherever life takes you.

From powering your air conditioner on a warm night in a tent to staying cool in a small room without plugging in, this battery adds real flexibility and peace of mind.

Vintage-style interior with a wooden table, books, and a lamp.

Features and Benefits

  • Large 1024Wh capacity for longer cordless runtime
  • Detachable design for easy attachment and storage
  • Long battery life with LFP chemistry and 4,000+ cycles
  • Multiple charging: AC, solar, or car
  • Strong 858W max output
  • USB‑A and USB‑C ports for device charging
  • Lightweight at about 9.7 kg
  • Splash and dust resistant (IP65)
  • Works with EcoFlow Wave 3 Portable Air Conditioner
  • Great for outdoor use, power outages, or travel

High‑Capacity Power

With 1024Wh, this battery lets your Wave 3 run for hours without plugging in. It’s ideal for overnight stays or days away from mains power.

Detachable and Portable

The battery clips on or off without fuss. Take it with you when you need cordless comfort, or pack it away when you don’t.

Built to Last

Using advanced LFP battery chemistry, it keeps more than 80% of its capacity even after about 4,000 charge cycles, which is years of reliable use.

Multiple Charging Options

You can recharge from a wall outlet, solar panels (up to 400W), or a 12/24V car socket. Perfect for road trips or off‑grid setups.

High Power Output

The unit supports a strong 858W maximum output, so it delivers steady energy to your Wave 3 even on high power modes.

Extra Charging for Devices

With USB‑A and USB‑C outputs, you can also charge phones, tablets, or other small devices while your air conditioner runs.

Built for Outdoor Life

IP65 splash and dust resistance means it’s tough enough for camping, beach trips, and outdoor adventures.

What’s in the Box

  • EcoFlow add‑on battery for Wave 3 Portable Air Conditioner
  • Add-on battery cable 
  • Car charging cable
  • Safety instructions, quick start guide, warranty card

Specifications

  • Capacity
    1024Wh 51.2V 20Ah
  • Technical Specifications
    Battery Chemistry:
    LFP

    Cycle Life:
    80%+ capacity after 4000 cycles

    Maximum Input Power:
    1000W Max

    Automobile Auxiliary Power Outlet Charging Input:
    12V/24V,8A Max, 200W Max

    Solar Input:
    11-60V, 13A Max, 400W Max

    Maximum Output Power:
    858W Max

    USB-A Output:
    5/9/12V, 2.4/2/1.5A, 18W Max

    USB-C Output:
    5/9/12/15V⎓3A Max; 20V/28V⎓5A Max, 140W Max

    Charge Temperature:
    32-113℉ (0-45℃)

    Discharge Temperature:
    14-122℉ (-10-50℃)

    IP Rating:
    IP65
  • Weight
    9.7kg
  • Dimensions
    L x W x H:
    516mm × 281mm × 111mm

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

Pay in 4 with PayPal

PayPal Pay in 4 image 

 


Your Details Are Safe

  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

We ensure secure processing of your payment information and do not retain or have any access to your credit card details.

Lifetime Support

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

Need help? Call us anytime 1300 676 523

EcoFlow Battery for Wave 3 Portable Air Conditioner Reviews

Frequently Asked Questions

How long can this battery power the Wave 3?

Runtime varies with temperature and mode, but the 1024Wh battery can power the Wave 3 for several hours without mains power, great for overnight cooling or heating.

Can I recharge this battery with solar panels?

Yes. It supports solar input up to 400W, so you can recharge it using solar panels when you’re off‑grid.

Does it work with other EcoFlow devices?

This battery is designed specifically for the Wave 3 Portable Air Conditioner. Other devices may require different batteries or adapters.

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 Eco Off Grid items?

Eco Off Grid only works with well-known, industry-leading manufacturers such as Eco Off Grid. 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?

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.

Angled Top View of EcoFlow Battery for Wave 3 Portable Air Conditioner
Eco Off Grid

EcoFlow Battery for Wave 3 Portable Air Conditioner

$1,29900

1024Wh LFP Wave 3 Add‑On Battery for Extended Wireless Comfort

Extend your EcoFlow Wave 3 Portable Air Conditioner with this high‑capacity 1024Wh add‑on battery. It gives you reliable cordless cooling or heating when mains power isn’t available. The battery is easy to attach and remove, so you can carry it with you or stow it away when you don’t need it.

Built with long‑lasting LFP battery chemistry, this unit holds more than 80% capacity even after about 4,000 cycles. It’s robust, easy to use, and packed with smart features like USB outputs for charging devices. Lightweight and rugged, it works with multiple charging options so you can keep your Wave 3 running wherever life takes you.

From powering your air conditioner on a warm night in a tent to staying cool in a small room without plugging in, this battery adds real flexibility and peace of mind.

Vintage-style interior with a wooden table, books, and a lamp.

Features and Benefits

High‑Capacity Power

With 1024Wh, this battery lets your Wave 3 run for hours without plugging in. It’s ideal for overnight stays or days away from mains power.

Detachable and Portable

The battery clips on or off without fuss. Take it with you when you need cordless comfort, or pack it away when you don’t.

Built to Last

Using advanced LFP battery chemistry, it keeps more than 80% of its capacity even after about 4,000 charge cycles, which is years of reliable use.

Multiple Charging Options

You can recharge from a wall outlet, solar panels (up to 400W), or a 12/24V car socket. Perfect for road trips or off‑grid setups.

High Power Output

The unit supports a strong 858W maximum output, so it delivers steady energy to your Wave 3 even on high power modes.

Extra Charging for Devices

With USB‑A and USB‑C outputs, you can also charge phones, tablets, or other small devices while your air conditioner runs.

Built for Outdoor Life

IP65 splash and dust resistance means it’s tough enough for camping, beach trips, and outdoor adventures.

What’s in the Box

View product