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EcoFlow - River 3 Plus Smart Extra Battery 300EB (286 Wh Capacity) - Black

Model: EFEB300
SKU: 6645715
$208.99
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About This Item

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.
  • Key Specs
    • Capacity: 286 watt hours
    • Maximum Battery Life: 1500 hours
  • General
    • Brand: EcoFlow
    • Model Number: EFEB300
    • Product Name: River 3 Plus Smart Extra Battery 300EB
    • Color: Black
  • Performance
    • 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 Input
    • Power Supply Input: 1 x USB-C
    • Maximum Input Power: 140 watts (The maximum amount of power allowed to come into the device.)
  • Power Output
    • Power Supply Output: 1 x USB-C (The connector type(s) used by the device to send electrical power to another device.)
    • Number Of Devices Charged Simultaneously: 1
    • Rated Wattage Continuous: 600 watts
    • Rated Wattage Peak: 1200 watts
  • Dimensions
    • Product Height: 4.3 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 8.8 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Length: 9.2 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
    • Product Weight: 7.7 pounds (The out of box weight of the item.)
  • Features
    • Signwave Inverter: false
  • Warranty
    • Warranty - Parts: 5 years
    • Warranty - Labor: 5 Years
  • Other
    • UPC: 842783151407

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.

  • 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.
  • 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.
Whats Included
  • Quick Start Guide and warranty
  • Quick Start Guide and warranty
Product Manuals
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