EcoFlow RIVER 3 Plus Extra Battery EB300 286Wh Expansion LiFePO4

EcoFlow RIVER 3 Plus Extra Battery EB300 286Wh Expansion LiFePO4 Power Supply

✅ Free Shipping & Delivery

• Free shipping to the 48 continental U.S. states

• Island delivery available via our insured Florida-based logistics network — secure, coordinated, and professional. ASK US FOR A QUOTE, SHIPPING IS EXTRA. 

• Select EcoFlow solar panels and accessories may ship via USPS when applicable

• Message us after placing your order to receive your Florida shipping address — this ensures smooth processing for island deliveries

• Authorized EcoFlow, Florida Dealer.

• 19+ years of trusted online selling experience.

EcoFlow RIVER 3 Plus Extra Battery EB300 286Wh Expansion LiFePO4 Power Supply

📣 Tax Exemption Highlights

• EcoFlow solar generators and related equipment are tax-exempt in most Island locations.

• Starting August 1, 2025, qualifying solar products are also tax-exempt in Florida through P.E.T.S AND YOU.

• Save more while investing in clean energy solutions.

EcoFlow RIVER 3 Plus Extra Battery EB300 286Wh Expansion LiFePO4 Power Supply

SKU: EFEB300

UPC: 842783151407

Key Features

• Expandable Energy Storage: Add 286Wh to the RIVER 3 Plus for a total of 572Wh, ideal for outdoor adventures or power outages.
• Independent Use: Use the extra battery on its own with a built-in 140W USB-C port for charging small devices and recharging on the go.
• Long-Lasting Durability: LFP battery chemistry ensures a 10-year lifespan, 6× longer than the industry average.
• Robust Design: IP65 waterproof rating, UL 94V-0 casing, and drop-tested up to 3.3 ft for reliable outdoor use.
• Fast Charging Options: Three methods—USB-C, solar, AC outlet, or car charging—recharge in as fast as 1.5 hours.

EcoFlow RIVER 3 Plus Extra Battery EB300 286Wh Expansion LiFePO4

What's Included

1. EF ECOFLOW River 3 Plus Smart Extra Battery EB300 (286Wh)
2. Quick Start Guide

EcoFlow RIVER 3 Plus Extra Battery EB300 286Wh Expansion LiFePO4

Warranty Coverage

EcoFlow Factory Warranty applies to products shipped within the 48 contiguous U.S. 

• Customers in Island locations can receive support via P.E.T.S AND YOU’s Florida service center.

• If a replacement is required, we assist with shipping to/from Florida at significantly reduced rates.

• Optional CPS Extended Warranty available: Begins 30 days after purchase, covers shipping costs to and from excluded areas. Includes protection for the full original dollar value at time of purchase.

📌 Please Note 

• If you reside outside the 48 continental states, contact us before shipping power stations — they require specific hazardous goods procedures. We’re happy to assist in ensuring safe and compliant delivery.

• Solar panels and accessories may ship in separate boxes with different tracking numbers.