EcoFlow RIVER 3 EB300 Smart Extra Battery
Compact 286Wh smart expansion battery for EcoFlow RIVER 3 Plus systems.
- 286Wh extra capacity
- Wire-free pogo-pin connection with RIVER 3 Plus
- Stackable expansion design
- Adds 140W USB-C charging/recharging capability
- Compact form factor
Use with a compatible main unit. Compatibility should be checked before ordering.
Out of stock
Is this expansion battery right for you?
Good fit if:
- You already own a compatible EcoFlow main unit.
- You want to extend runtime for longer outages or trips.
- You have checked the connector and model compatibility.
Not ideal if:
- You need a standalone power station.
- You have not confirmed compatibility with your existing setup.
- You want built-in AC sockets directly on the battery.
RIVER 3 EB300 at a Glance
A Closer Look at the RIVER 3 EB300
EB300 is a natural cross-sell for RIVER 3 Plus and helps customers step from a light portable station to a longer-running compact setup.
Why Buy From VoltReady™
UK-Based Business
VoltReady is a UK-based portable-power specialist serving customers across the United Kingdom.
Manufacturer Warranty
Products include manufacturer-backed warranty cover, with the exact terms shown clearly on each product page.
Flexible Ways to Pay
Pay securely by card, Apple Pay, Google Pay, Klarna or Clearpay. Available options depend on your order and eligibility.
UK Customer Support
Get straightforward help before and after your purchase through live chat or email.
Everything important, clearly organised
Key Features
Technical Specifications
What’s in the Box
FAQs
How much capacity does EB300 add?
It adds 286Wh to supported RIVER 3 Plus configurations.
Does it need cables?
Official material describes a wire-free pogo-pin connection for RIVER 3 Plus.
