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EcoFlow

ECOFLOW Smart Extra Battery for DELTA 3 Series Portable Power Stations, Silver/Grey,Black

Name: ECOFLOW Smart Extra Battery for DELTA 3 Series Portable Power Stations, Silver/Grey,Black
Brand: EcoFlow
SKU: 38457
Availability: InStock

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Brand: EcoFlow

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£549

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At a Glance

Key highlights and verified hardware specifications

Detailed specs deep dive

Weight

9.6 kg

Power

- Capacity: 1024 Wh LFP battery - Power: 600 W to 1200 W - Voltage: 51.2 V - Amperage: 60 Amps - 60000 mAh capacity

Dimensions

398 x 200 x 198 mm (H x W x D)

Connections

- USB Type-C input x 1 - USB Type-C output x 1 - Pogo Pin to connect to the RIVER 3 series

Box Contents

- EcoFlow Smart Extra Battery for DELTA 3 Series Portable Power Stations - DELTA 3 extra battery cable - User manual - Warranty card

Compatibility

DELTA 3 Plus and DELTA 3 power stations

Lowest Price

£549

Andote Score

9.2/10

Price Tier Avg

8.9/10

Category Avg

8.9/10

Price Trend

Stable

Andote Analysis

Rated: 7 Nov 2026Evaluated at £549.00

Hardware9.2/10

Andote Score9.2/10

Score Deciding Factors3 Key drivers

•High-End Price Bracket£549

High-end product priced in the upper bracketPremium Tier

✓Lightweight Weight9.60kg

Top-tier capability in this category8.1/10

✓High-End Capacity1TB

Top-tier capability in this category10.0/10

How We Calculate This Score

All parameters are evaluated as per the price. Our algorithm calculates each hardware specification's relative efficiency against peer products in the category based on its selling price, giving you an objective measure of value per pound. User ratings are not included in this calculation.

AI-powered analysis based on product specifications, price, and available data.

Price History

Current:£549

Lowest:£549

Average:£549

Price is stablePrice has remained consistent in the recent past.

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Top alternatives to consider

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These recommendations include other storage sizes, colors, and closely matched variants of this product so you can easily compare pricing across available options.

Selected

ECOFLOW Smart Extra Battery for DELTA 3 Series Portable Power Stations, Silver/Grey,Black

★Score 9.2/10

£549

Current item

ECOFLOW Smart Extra Battery for DELTA Pro 3 Series Portable Power Stations, Silver/Grey,Black

301% more

£2,199

View details

ECOFLOW DELTA 3 Plus 1024 Wh Portable Power Station, Silver/Grey

ECOFLOW DELTA Pro 3 4096 Wh Portable Power Station, Silver/Grey,Black

Ecoflow DELTA 3 Classic 1024 Wh Portable Power Station, Silver/Grey

ECOFLOW RIVER 3 Plus Smart Extra Battery (286 Wh), Silver/Grey

56% cheaper

£240

View details

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About EcoFlow ECOFLOW Smart Extra Battery for DELTA 3 Series Portable Power Stations, Silver/Grey,Black

Detailed specs deep dive

Brand: EcoFlow • Model: ECOFLOW Smart Extra Battery for DELTA 3 Series Portable Power Stations, Silver/Grey,BlackModel: 404826 • Silver/Grey,BlackHardware Score: 9.2/10Andote Score: 9.2/10Price-Tier Avg: 8.9/10Category Avg: 8.9/10

- This smart battery gives your DELTA 3 power stations an extra 1024 Wh - great if you're camping or on a road trip - The EcoFlow app comes in very handy to monitor and control the battery using your smartphone - You've got surge protection to make sure your battery stays in tip-top shape ____________________________________________________________________________________________ Please note: The Smart Extra Battery cannot be used separately. It only increases the capacity of DELTA 3 Portable Power Stations and can only be recharged by a DELTA 3 or an EcoFlow Smart Generator.

£549(Free delivery)

• In Stock

ECOFLOW Smart Extra Battery for DELTA 3 Series Portable Power Stations, Silver/Grey,BlackBuy Online