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Overview

ECOFLOW DELTA Pro 3 4000Wh Extra Battery, Expansion Battery with 11-Year Lifespan, Lifepo4 Battery Backup for Home Use, Camping Accessories, Emergencies, Power Outages, RVs
Open Box

EcoFlow DELTA Pro 3 Smart Extra Battery Open Box

Model: DELTA_PRO_3EB_OB
Web Code: 19633021
Sold and shipped by | 4.9 seller rating (237 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

[Pair for Additional Needs] The rated capacity of one battery is 4kWh. The capacity can be expended up to 36 kWh by connecting additional DELTA Pro 3 units or extra batteries in parallel. It also accommodates charging via a gas generator for both the main product and extra batteries, allowing for an expansion up to a maximum capacity of 48kWh.

[Reliable Power Endurance] DELTA Pro 3 supports LFP battery which provides 4000 cycles till it lowers to 80% capacity. That’s almost 11 years of regular use. Every battery houses an integrated BMS module to regulate its voltage current, and temperature, keeping it safe,secure, and long-lasting.

[Energize Almost Everything] The EcoFlow DELTA Pro 3 supports 120V/240V voltage and has a 4000W output (6000W with X-Boost, scalable up to 12000W), powering nearly all essential home appliances, such as a 3-ton* central AC or a 1 HP water pump.

[Forget Refueling] Featuring a 4000Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators, providing 2-4 days of whole-home backup power. With 7 unique and 18 combo charging methods like AC wall outlets, solar panels, gas generators, EV charging piles, or the EcoFlow smart home panel 2, you can forget fuel worries.

[Explore the Secure Feeling] The EcoFlow DELTA Pro 3 features automotive-grade LFP cells and IP65-rated CTC battery pack technology, safeguarding battery health and extending lifespan. Enjoy peace of mind with a 5-year warranty and exceptional customer service, available anytime for any issues.

Product Condition
Open Box

Dimension

Weight
33 g

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders over $35 (before taxes, fees, and promo codes).

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Quebec
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Sports and recreation products
Return/Exchange Period
30 days
Condition
Opened

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