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Costco Members: EcoFlow River 3 Plus Wireless Boost Combo
$200
$280
28% off
+ Free Shippingat Costco Wholesale
Community Reviews
EcoFlow River 3 Plus stands out as a compact backup power station for outages, outdoor setups, and light remote work. It has powered a projector by the pool, kept a cable modem and router online during outages, and handled camera and networking gear for live streaming. The built in UPS and detachable battery setup add flexibility, and the $200 price drew strong interest. The main cautions are UPS behavior, since firmware updates can cut output and some loads may not switch over cleanly, plus the magnetic charger battery is only so so. A handy pick if you want portable power with extra versatility.
Common Questions (4)
It can keep a cable modem/router online during outages, and the built-in UPS feature is the main reason to use it that way. For UPS use, auto-updates should be turned off because firmware updates can de-energize the outputs, and the transition should be tested with your specific load since some devices can take over a second to switch.
It has been used for a movie projector outdoors, live-streaming gear at soccer fields, and a cable modem/router during outages. It is also described as flexible enough for remote laptop-and-hotspot use when paired with a 220W EcoFlow solar panel.
$200 is described as a strong price for this unit, especially after a price adjustment from a higher purchase price. The combo is also compared against larger Jackery bundles, but those alternatives are heavier and cost more.
It can work for some NAS setups, but Synology support is model-specific: Power Manager is available for DS923+, DS423+, DS224+, and DS220+, while a regular DS423 is not supported. For mini PCs and PC power supplies, the UPS transition can be inconsistent, so it should be tested before relying on it.
AI-generated summary based on comments from the community. Updated ago
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I have an EcoFlow River Pro v1 720w that I love, and have had this newer River 3 model on my radar but haven't bought previously because of concerns over the run time and UPS ms cutover time.
I have an EcoFlow River Pro v1 720w that I love, and have had this newer River 3 model on my radar but haven't bought previously because of concerns over the run time and UPS ms cutover time.
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