EcoFlow RIVER 3 Plus Smart Extra Battery Expandable Portable Power Storage

Name: EcoFlow RIVER 3 Plus Smart Extra Battery Expandable Portable Power Storage
Brand: EcoFlow
SKU: EFEB300
Price: 155.97 USD
Availability: InStock

Sku: EFEB300

$155.97

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Option

Perfect Companions

Description

Expand Your Power Capacity with EcoFlow RIVER 3 Plus Smart Extra Battery

Experience the freedom and flexibility of extending your RIVER 3 Plus portable power station's capacity up to 858Wh with the EcoFlow Smart Extra Battery. Choose from two models, EB300 or EB600, designed to perfectly fit your energy needs for any adventure or emergency preparedness. Generation Eco Store proudly offers this reliable, lightweight, and easy-to-use battery option, empowering your off-grid lifestyle or backup power solutions.

Reliable and Convenient Power on the Go

The Smart Extra Battery provides an additional 140W USB-C input/output and wireless Pogo Pin connection making setup hassle-free and cable-free. Weighing just 7.7 lb (for the EB300), it is perfect for lightweight portability and can be used independently to reduce your load during short trips. With a robust LiFePO4 battery boasting 3000 cycles and a 10-year lifespan, this battery ensures long-lasting, worry-free power, helping Generation Eco customers confidently embrace sustainable energy.

Key Specifications

Specification	Values
Models	EB300 (286Wh), EB600 (572Wh)
Capacity	286Wh (EB300), 572Wh (EB600)
Dimensions	9.2 x 8.8 x 4.3 in (EB300), 9.2 x 8.8 x 6.2 in (EB600)
Weight	7.7 lb (EB300), 12.8 lb (EB600)
Battery Chemistry	LiFePO4, 3000 cycles to 80% capacity
USB-C Output	1 port, up to 140W max
USB-C Input	1 port, up to 140W max
Connection Technology	Wireless Pogo Pin connection, plug-and-play

Specifications & Dimension

What's in the Box?

EcoFlow RIVER 3 Plus Smart Extra Battery (EB300 or EB600)

Guides & More

Shipping Policy

Free & Fast Shipping
We offer free shipping on most EcoFlow Expansion Battery orders across the lower 48 states, using the most reliable freight partners. Orders typically ship within 5 business days, with tracking provided within 24 hours of dispatch.
Tracking & Delivery Scheduling
You’ll receive an order confirmation email immediately after placing your order. Tracking details are usually shared within 3–5 business days. Please review your shipping address carefully—corrections after shipment may incur a fee.
Important Shipping Notes
Ensure your location can accommodate freight deliveries. Additional charges may apply for access-restricted areas, remote locations, or deliveries requiring special transport (e.g., ferry or plane).

See our full Shipping Policy here

Return Policy

Hassle-Free Returns
We offer a 30-day return window from the date you receive your item. Items must be unused, in original packaging, and accompanied by proof of purchase. Some items may incur a 15–25% restocking fee, especially larger freight-shipped products. Cancellations made before shipping will incur a 3-5% processing fee.
Damaged or Special Orders
Please report any damages within 24 hours of delivery. Installed or opened items may not be returnable. Select brands such as Victron and Pytes may be non-returnable based on manufacturer policies.

See our full Return Policy here

"What we'd tell a friend"

Expandable Energy Capacity

Choose your battery size between 286Wh and 572Wh and stack up to reach 858Wh total capacity. This expandable feature provides flexible power options, allowing users to adapt to growing energy needs easily with their EcoFlow RIVER 3 Plus.

Wireless Plug-and-Play Connection

Featuring wireless Pogo Pin technology, the Extra Battery establishes a secure and hassle-free connection to your RIVER 3 Plus with no cables or screws required. This neat design simplifies setup and enhances portability for users on the move.

Long-lasting Battery Life

With advanced LiFePO4 battery technology and 3000 charge cycles, the EcoFlow Smart Extra Battery ensures up to 10 years of reliable power. This feature offers users peace of mind for long-term energy needs and maximizes their investment in portable power.

See it in Action

Have a Question? We Have Answers

Can the EcoFlow RIVER 3 Plus Smart Extra Battery be used independently of the main power station?

Yes, the Extra Battery can be used independently thanks to its USB-C input/output port, allowing you to charge devices or the battery itself without the need for the main RIVER 3 Plus unit. This flexibility reduces the load and offers more convenience during short trips or minimal power needs.

What battery chemistry does the EcoFlow Smart Extra Battery use and how long does it last?

The Extra Battery uses LiFePO4 battery technology, which is known for its long cycle life. It offers up to 3000 cycles to 80% capacity and has an expected lifespan of up to 10 years, providing durable and reliable power storage for users.

How does the EcoFlow RIVER 3 Plus Smart Extra Battery improve portability?

The Smart Extra Battery weighs only 7.7 pounds (EB300 model) and features a compact design with a wireless Pogo Pin connection, allowing easy and cable-free attachment to the RIVER 3 Plus unit. This lightweight design enables comfortable and flexible use on short outdoor trips or when carrying minimal devices.

What is the warranty on Expansion Battery?

Warranty for product varies based on the brand and the product. For some of the warranties, https://generationecostore.com/pages/warranty view OEM warranty policy. For any questions, please reach out to us at hello@generationecostore.com

Can I return the Expansion Battery if I'm not satisfied?

We offer a 30-day return window from the date you receive your item. To be eligible for a return, the item must be unused, in its original packaging, and include proof of purchase.