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Limit 5 per order · Extended holiday returns
Returnable until Jan 15, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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At a glance
- Condition
- New
- Model
- EFEB300
- Capacity
- 286 watt hours
- Dimensions
- 4.3H × 8.8W × 9.2D in
- Weight
- 7.7 lb
- Color
- Black
- Maximum Battery Life
- 1500 hours
- In the box
- Quick Start Guide and warranty
- Warranty
- Parts: 5 years · Labor: 5 Years
Features 5
- Expandable up to 858Wh Level up your RIVER 3 Plus with an Extra Battery. Choose the EB300 (286Wh) and simply stack it at a time to achieve up to 572Wh of pure energy.
- Adds an extra charging and recharging option 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 also provides the freedom to use it independently.
- Hassle-free connection Utilizing Pogo Pin tech, the batteries connect wirelessly, fastening easily with clips instead of cables or screws.
- Lightweight at only 7.7 lb Weighing just 7.7 lb, the EB300 is lighter than the RIVER 3 Plus. It is lightweight, with a compact design and USB-C input and output port, making the extra battery highly convenient for on-the-go use. The Extra Battery offers the perfect solution for short outdoor trips with minimal devices to expand your possibilities.
- 10-year lifespan with an LFP battery The Extra Battery features the same LPF battery technology and offers a 5-year warranty, just like the RIVER 3 Plus. This ensures worry-free usage for up to 10 years, giving you peace of mind and long-lasting performance.
Description
Extend your power capacity with the EcoFlow RIVER 3 Plus Smart Extra Battery. Designed for seamless integration with the RIVER 3 Plus, this modular battery boosts your total energy storage, making it ideal for outdoor adventures, emergency backup, or off-grid use. Lightweight, compact, and easy to attach — stay powered for longer, wherever you go.
Specs 18
| Brand | EcoFlow |
|---|---|
| Model Number | EFEB300 |
| Color | Black |
| Capacity | 286 watt hours |
| Maximum Battery Life | 1500 hours |
| Battery Chemistry | Lithium-ion |
| Maximum Runtime At Full Load | 0.5 hours |
| Voltage Rating | 120 volts |
| Power Supply Input | 1 x USB-C |
| Maximum Input Power | 140 watts |
| Power Supply Output | 1 x USB-C |
| Number Of Devices Charged Simultaneously | 1 |
| Rated Wattage Continuous | 600 watts |
| Rated Wattage Peak | 1200 watts |
| Product Height | 4.3 inches |
| Product Width | 8.8 inches |
| Product Length | 9.2 inches |
| Product Weight | 7.7 pounds |
No specs match.
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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