EcoFlow · power station
EcoFlow RIVER 3 Plus
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Keeps a fridge-freezer, router, two lamps and phones going for about 3 hours in a power cut. Switches over in 10 ms or less when the mains fails. Battery cost over its rated life works out at about 26p per kWh.
Spec score 8.6/10 in small (under 500 ) · how we score
From £219 Sold out
Sold out at every seller we checked.
Check price at EcoFlow UK- ✗ Kettle (3 kW)
- ✗ Microwave
- ✓ Fridge-freezer
- ✗ CPAP
Typical appliance figures; check your own appliances.
Note: Warranty length not stated on the page. EcoFlow sells it with an extra battery as the RIVER 3 Max (572 Wh, £299) and Max Plus (858 Wh, £329).
Why it's worth a look
- Keeps a fridge-freezer, router, two lamps and phones going for about 3 hours in a power cut.
- Takes over in 10 ms when the mains drops: fast enough for computers and most CPAP machines.
- battery rated for 3,000 cycles: over 57 years of weekly use.
- Light at 4.7 kg: easy to carry from the car or up the stairs.
- Expandable to 858 Wh with extra batteries.
Watch out for
- Sold out at every seller we checked.
- Can't boil a 3 kW kettle (600 W output).
- Warranty length not published on the UK page.
Reliability signals
- Battery: LFP, 3,000 cycles to 80% capacity
- Repairs: through the maker's UK support; we list known issues only from named reviews, and none are recorded yet
Owned one? Tell other buyers how it has held up.
Specifications
| Capacity | 286 Wh |
|---|---|
| Continuous output | 600 W |
| Surge / peak | 1,200 W |
| 3-pin sockets | 3 |
| Battery type | LFP |
| Rated cycles | 3,000 (to 80%) |
| Weight | 4.7 kg |
| Mains charge to full | 60 min |
| Max solar input | 220 W |
| UPS switch-over | 10 ms |
| Expandable to | 858 Wh |
| Fastest USB-C | 100 W |
| Warranty | not published |
| App | EcoFlow app |
| Noise (maker's figure) | 30 dB |
Sources (1)
- EcoFlow UK (official store): product page and specifications, checked 22 Oct 2026
Where to buy
| Seller | Price | |
|---|---|---|
| EcoFlow UK (official store) | £219 | Check price |
Versions
| RIVER 3 Plus | £219 | Sold out |
| RIVER 3 Plus with tool pegboard | £238 | Sold out |
Also sold as (7 bundles and options)
| Seller's version | Price | Stock |
|---|---|---|
| RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) | £399 | Sold out |
| RIVER 3 Max (RIVER 3 Plus + Extra Battery 300) / Tool Pegboard | £418 | Sold out |
| RIVER 3 Max Plus (RIVER 3 Plus + Extra Battery 600) | £499 | Sold out |
| RIVER 3 Max Plus (RIVER 3 Plus + Extra Battery 600) / Tool Pegboard | £518 | Sold out |
| RIVER 3 Plus + 60W Solar Panel (Type-C) | £318 | Sold out |
| RIVER 3 Plus + 60W Solar Panel (Type-C) / Tool Pegboard | £337 | Sold out |
| RIVER 3 Plus + Alternator Charger 600 | £468 | Sold out |
Price from the seller's own UK page. Prices change; the seller's page is always right.
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In stock alternatives
More: all portable power stations · EcoFlow · owner reports