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EcoFlow River Expansion Batteries

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  • Regular price $169.00
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Please read the description carefully.

Shipping to Lower 48 USA states via Fedex Ground only. No international shipping including Hawaii, Guam, Puerto Rico. Non-USA customers click here.

Expand your Ecoflow River battery! These modular battery expansion modules are perfect for expanding your EcoFlow battery. Nearly DOUBLE your EcoFlow River battery with this expansion module! Loaded with powerful 21700 3.6v 4000mAh Lishen cells using the newest JAG35 module design. Combine with multiple modules to make your battery as large as you need. Comes with the BMS module included. Charger is included.


     Expansion Battery Specs
    • Voltage:  22v
    • Current:  4.8A
    • Power:  320W

    EcoFlow River PV Charging Input:

    • Voltage:  11-30V
    • Current:  8A Max
    • Power:  110W


      Available in 3 variants (choose from dropdown menu):

      • DOUBLE your EFR battery (1x Expansion Battery 320W)
      • TRIPLE your EFR battery (2x Expansion Batteries 640W)
      • QUADRUPLE your EFR battery (3x Expansion Batteries 960W). Compare with the 882Wh EcoFlow Delta Mini.


      Use as an Expansion Battery:

      This battery pack can serve as an expansion battery. Connect multiple in parallel to increase capacity and current (amps), see your device specs for max limits. Use with:



        We recommend fully charging this pack as soon as you receive it. Charger is included.




        These items are sold for DIY and Second Life purposes. Listings that are “untested” as sold as-is and cannot be returned, exchanged or refunded. Even when sold as “new”, “NOS”, or “like-new”, they may be in less than perfect condition. Buyer is responsible for proper cell recycling/disposal.

        If you buy a product from us and then realize you don't have, or don't want to acquire, the tool(s) or information needed to make our product(s) work for your specific build, this does not constitute valid grounds for replacements, exchanges or refunds. You are responsible for doing your due diligence before making any purchases.

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