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Black EcoFlow EFEB300 portable power station accessory with sleek design and front panel indicator lights

EcoFlow EFEB300 Portable Power Station Battery

by EcoFlow

£119.00from 4 retailers

The EcoFlow EFEB300 is a portable battery accessory for the RIVER 3 Plus, expanding its capacity up to 858Wh for versatile energy solutions.

GTIN04895251628341
EAN4895251628341
MPNEFEB300
Prices updated 7 Jun 2026

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EcoFlow UK

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£119.00
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ComputersDeal logo
In stockStandard delivery in 3 working days
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£285.24£237.70

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£242.45

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£243.99

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Product Description

Expand the capacity of the RIVER 3 Plus to up to 858Wh.. Choose from two Extra Battery models to fit your needs: EB300 (286Wh) or EB600 (572Wh).. An additional 140W of USB-C input and output option.. Enjoy a wireless pogo pin connection—no cables or screws required.. Reduce your load by using the Extra Battery independently.. Adjust capacity for growing energy needs. Expandable up to 858Wh with 2 Extra Battery options. Level up your RIVER 3 Plus with an Extra Battery. Choose either the EB300 (286Wh) or the EB600 (572Wh), and simply stack one at a time to achieve up to 858Wh of pure energy.. Adds an extra charging and recharging option. More possibilities, more flexibility. Looking to charge more devices or conveniently power your RIVER 3 Plus via USB-C? Adding this extra battery expands its capacity and significantly enhances its versatility with an extra 140W USB-C port, offering the RIVER 3 Plus a new charging and recharging option. With the USB-C port, the Extra Battery gives you the freedom to use it independently.. Lightweight at only 3.5 kg. Use the Extra Battery independently to lighten your load. Weighing just 3.5 kg, the EB300 is light and compact with an extra USB-C input and output port, perfect for on-the-go or short outdoor trips.. 10-year lifespan with an LFP battery. A one-time investment that lasts for years. The Extra Battery features the same LPF battery technology as RIVER 3 Plus. And, with a 5-year warranty, you'll get peace of mind and long-lasting performance.. Features. Product colour. Black. Product type. Battery. Power. Battery capacity. 286 Wh. Battery voltage. 28 V. Battery technology. Lithium Iron Phosphate (LiFePO4). Weight & dimensions. Weight. 3.5 kg. Height. 110 mm. Depth. 224 mm. Width. 234 mm

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