Start Small, Power Strong
The EcoFlow RIVER 3 Plus (EFRIVER3Plus-UK-CBOX) is a compact, high-performance portable power station that builds on the RIVER 3 series with enhanced capacity, faster charging, and superior UPS protection, making it an ideal backup for home offices, gaming setups, routers, small appliances, camping, or emergencies in the UK/EU market. It features a durable 286Wh LiFePO4 battery (rated for 3000 cycles to 80% capacity, offering a 10-year lifespan) that powers up to 600W continuous AC output (1200W surge/X-Boost for resistive loads like heaters or fans) through three AC outlets, plus USB-A (2 ports, 24W total), USB-C (100W PD max), and a 12.6V car port (126W max). The ultra-fast <10 ms UPS switchover ensures seamless, uninterrupted power for sensitive devices during outages, with smart alerts via the EcoFlow app. Recharging is lightning-quick—0–100% in just 1 hour via 360–380W AC input (X-Stream tech), or up to 220W solar input for full charge in ~1.5 hours in good sunlight, plus car/generator options. Expandable up to 858Wh with wire-free Extra Battery attachments (EB300 286Wh or EB600 572Wh via Pogo Pin), it weighs only 4.7 kg (10.4 lb), measures ~234 × 232 × 146 mm, operates whisper-quiet under 30 dB, and includes app control for monitoring, EQ-like power tweaks, and firmware updates—delivering reliable, silent, and future-proof energy in a portable package perfect for indoor/outdoor use with a 5-year warranty.
Key Features
286Wh LiFePO4 Battery with Long Lifespan
The RIVER 3 Plus is equipped with a 286Wh LiFePO4 battery that supports 3000 charge cycles to 80 percent capacity, delivering a reliable 10-year service life. This durable chemistry ensures safe, stable power delivery over thousands of uses, making the power station suitable for frequent daily backup, camping, or extended off-grid scenarios without rapid degradation.
Ultra-Fast 1-Hour Full Recharge
Using X-Stream technology, the RIVER 3 Plus recharges from 0 to 100 percent in just 1 hour via 360–380W AC input. It also accepts up to 220W solar input for a full charge in about 1.5 hours under optimal sunlight, plus car and generator charging options, providing exceptional convenience for quick recovery during short breaks or after outages.
Less Than 10 ms UPS Switchover
The power station offers an ultra-fast UPS switchover of under 10 ms, ensuring seamless, uninterrupted power for sensitive electronics such as routers, PCs, NAS drives, or smart home devices during blackouts. Combined with smart outage notifications through the EcoFlow app, it provides dependable protection for home office setups and critical systems.
600W Output with 1200W Surge and X-Boost
It delivers 600W continuous AC output with a 1200W surge capacity and X-Boost technology that supports resistive loads up to 1200W, powering small heaters, fans, mini-fridges, or gaming consoles. Three AC outlets plus USB-A, USB-C (100W PD), and a 12.6V car port allow multiple devices to run simultaneously for versatile use.
Expandable Capacity and Compact Design
The RIVER 3 Plus supports wire-free expansion up to 858Wh by attaching Extra Batteries (EB300 or EB600) via Pogo Pin connection, increasing runtime without cables. At 4.7 kg and compact dimensions of approximately 234 by 232 by 146 mm, it remains highly portable while operating whisper-quiet under 30 dB, perfect for indoor, outdoor, or travel applications.
What’s in the Box
- River 3 Plus
- AC Charging Cable
- USB-B to USB-C Cable
- Quick Start Guide
FAQs
How long does the RIVER 3 Plus actually last on a full charge in real use?
The 286Wh battery typically powers small devices for 4–10+ hours depending on load: ~4–6 hours for a 50W laptop or router setup, 8–12 hours for LED lights/fans (~20–30W), or 1–2 hours for a 200–300W mini-fridge. Users report excellent real-world efficiency thanks to the LiFePO4 chemistry and low self-discharge. Heavy loads (500–600W) drain it in 30–60 minutes. Use the EcoFlow app’s runtime calculator for precise estimates.
Is the UPS function fast and reliable enough for gaming PCs or routers?
Yes—the <10 ms switchover time (often measured at 6–9 ms in tests) is among the fastest in its class and keeps routers, NAS, PCs, and monitors running without rebooting during short outages. Many users confirm seamless performance for home-office setups and gaming rigs (low-to-mid power). It’s not designed for very high-draw gaming PCs (>600W sustained), but it excels for networking gear and light computing. App alerts add extra reliability.
Can I expand the capacity, and how does the extra battery work?
Yes—the RIVER 3 Plus supports wire-free expansion up to 858Wh by attaching EcoFlow Extra Batteries (EB300 286Wh or EB600 572Wh) via the Pogo Pin connection on the base. No cables are needed; they snap on and charge/expand automatically. Users love this modular design for scaling runtime without buying a larger unit, though extra batteries add cost and weight when carrying.
Is it really that quiet, and are there any common complaints?
It operates extremely quietly—under 30 dB even under load, often described as “silent” or “barely audible” in bedrooms/offices. The fan is minimal or off during low-power use. Common minor complaints include only three AC outlets (some want more), no built-in light, and the app occasionally needing a restart for full connectivity. Overall, reviews highlight silence, portability (4.7 kg), fast charge, and strong UPS as major strengths for its price and size.
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