Skip to product information
1 of 5

EcoFlow

EcoFlow DELTA Pro 3 Smart Extra Battery

EcoFlow DELTA Pro 3 Smart Extra Battery

Low stock

SKU:EFDELTAPRO3EB

Regular price $2,399.00
Regular price Sale price $2,399.00
Sale Sold out
Free Shipping on all orders.

Frequently Asked Questions

  • How quickly can you answer my question?

We respond to messages and emails in the order they are received. Most inquiries are addressed within 24 hours during our business hours.

  • Can I change my shipping address after my order has been placed?

If you need to update your shipping address, please email us immediately at info@Hvacfrontier.com with your name and order number. While we’ll do our best to process your request, we cannot guarantee changes once your order has been packed or shipped.

  • How long is the processing period?

Our processing time is 1–2 business days. Orders are processed Monday through Friday, excluding major holidays.

  • How long does shipping take?

Shipping times vary but are typically 5–8 business days after the order has been processed. A tracking number will be provided via email once your order has shipped.

  • Will my order come in one package?

Depending on the size and contents of your order, it may be shipped in multiple packages. If this happens, you will receive tracking information for each package.

  • What happens if an item is out of stock or backordered?

If any items in your order are out of stock, we will notify you via email with an estimated restock date. If restocking will take longer than 2 weeks, we will issue a refund for the unavailable item(s).

  • I received a damaged item. What should I do?

We apologize for any inconvenience caused by receiving a damaged item. Please email us at info@Hvacfrontier.com with your name, order number, and photos of the damaged product so we can assist you.

  • What if an item is missing or damaged in my order?

If you received a damaged item or are missing an item from your order, please contact us within 30 days of delivery at info@Hvacfrontier.com. We’ll work with you to resolve the issue.

  • Can I cancel my order?

If you wish to cancel your order, please contact us immediately at info@Hvacfrontier.com. Cancellation requests are only possible before the order has been processed or shipped.

View full details

The EcoFlow DELTA Pro 3 Smart Extra Battery is a high-capacity power expansion solution, designed to seamlessly integrate with the DELTA Pro 3, effectively doubling its capacity to 7.2kWh. Ideal for home backup, off-grid adventures, and emergency preparedness, this powerful extra battery ensures extended energy storage for vital appliances, medical equipment, and high-demand devices.

Featuring a stackable horizontal or vertical design, the Smart Extra Battery optimizes space efficiency, allowing for flexible placement in various setups. Built with advanced battery management, it maintains stable power output, ensuring reliable and uninterrupted performance even in extreme conditions.

Whether you're powering essential home devices during blackouts, charging equipment on job sites, or running off-grid applications, the EcoFlow DELTA Pro 3 Smart Extra Battery provides unmatched energy independence.

  • Expandable 4096Wh Capacity – Doubles DELTA Pro 3’s power storage to 7.2kWh
  • Seamless Plug-and-Play Integration – Connects via the Extra Battery Port for quick setup
  • Flexible Stackable Design – Stack horizontally or vertically for space-efficient storage
  • Reliable Performance in Any Condition – Operates in temperatures from -10°C to 45°C (14°F to 113°F)
  • Built-in LED Display – Provides real-time battery status monitoring
  • Color: Black & Galactic Silver
  • Weight: 33 kg | 72.7 lbs
  • Dimensions: 694 × 295 × 215mm | 27.3 x 11.61 x 8.4 in
  • Capacity: 4096Wh
  • Output: 40V-58.4V, 100A Maximum
  • Input: 40V-58.4V, 80A Maximum
  • Display: LED Array
  • Discharge Temperature: -10°C ~ 45°C (14°F ~ 113°F)
  • Charge Temperature: 0°C ~ 45°C (32°F ~ 113°F)
  • Storage Temperature: -10°C ~ 45°C (14°F ~ 113°F)
  • Wheels Support: No
  • Tie Rod Support: No
  • Stacking: Horizontal or Vertical
  • Connection: 1 x Extra Battery Port
  • 1 x EcoFlow DELTA Pro 3 Smart Extra Battery

Backed by EcoFlow’s quality guarantee, ensuring long-lasting performance and durability.

Free Shipping

Free Shipping On All Orders

feature-item-2
Customer Support

Available Mon - Fri

Hassle Free Returns

30 Day Return Policy

feature-item-4
Authorized Dealer

For All Brands