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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.
outage-proofing a home internet setup because the built-in UPS can keep your cable modem/router online during power outages, and people also suggest using multiple units to back up security cameras when you're away.
remote work from outdoors (like hammock remote workdays) because it pairs well with a 220W EcoFlow panel for essentially unlimited laptop + hotspot power.
shooting live streaming from the field because one user runs camera and networking gear off two units at soccer fields for live streaming.
using it for off-grid power where extension cords are inconvenient because someone powered an outdoor movie projector by the pool with the River 3 and says they may upgrade to the higher-wattage variant.
people who want to use it as a UPS but can manage settings because commenters note you can disable firmware auto-updates to reduce the risk of outputs being de-energized during updates.
people counting on it as a traditional UPS for sensitive loads because one commenter says it's not that great for UPS use and recommends doing full 0%-100% charge/discharge every 3 months to prevent calibration drift.
anyone using it as a UPS for inductive electronics (like PC power supplies) because a user reports the UPS transition can be over 1 second one out of every ~3 times, and they specifically call out inductive loads as struggling versus traditional UPSes.
people who need guaranteed UPS behavior during firmware updates because commenters warn firmware updates can cut power while updating (and may require a second UPS or keeping the unit offline).
Synology NAS owners with unsupported models because one buyer says EcoFlow added Power Manager software for DS923+/DS423+/DS224+/DS220+, but their regular DS423 isn't supported.
Common Questions (4)
AI-generated summary based on comments from the community. Updated ago
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22 Comments
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pairs well with a 220W ecoflow panel I bought refurbished on eBay for essentially unlimited laptop + hotspot power for hammock remote workdays. I need to do more of those
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