EcoFlow · power station
EcoFlow RIVER 3
We may earn commission if you buy through our links. It never changes our rankings. How we work with suppliers.
Keeps a fridge-freezer, router, two lamps and phones going for about 3 hours in a power cut. Its 300 W output suits small devices rather than kitchen appliances. Battery cost over its rated life works out at about 27p per kWh.
Spec score 7.5/10 in small (under 500 ) · how we score
From £199 In stock
Check price at EcoFlow UK- ✗ Kettle (3 kW)
- ✗ Microwave
- ✓ Fridge-freezer
- ✗ CPAP
Typical appliance figures; check your own appliances.
Note: The version switches over in under 10 ms (under 20 ms for the standard model). Warranty length not stated on the page.
Why it's worth a look
- Keeps a fridge-freezer, router, two lamps and phones going for about 3 hours in a power cut.
- battery rated for 3,000 cycles: over 57 years of weekly use.
- Light at 3.55 kg: easy to carry from the car or up the stairs.
Watch out for
- Can't boil a 3 kW kettle (300 W output).
- Switch-over of 20 ms is slower than the 10 ms most computers and CPAP machines need.
- 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.
Where it ranks in our lists
Specifications
| Capacity | 245 Wh |
|---|---|
| Continuous output | 300 W |
| Surge / peak | 600 W |
| 3-pin sockets | 1 |
| Battery type | LFP |
| Rated cycles | 3,000 (to 80%) |
| Weight | 3.5 kg |
| Mains charge to full | 60 min |
| Max solar input | 110 W |
| UPS switch-over | 20 ms |
| Expandable to | not published |
| 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) | £199 | Check price |
Versions
| RIVER 3 | £239 | In stock |
| RIVER 3 (UPS) | £199 | In stock |
Also sold as (4 bundles and options)
| Seller's version | Price | Stock |
|---|---|---|
| RIVER 3 + 45W Solar Panel (Type-C) | £309 | Sold out |
| RIVER 3 (UPS) + 45W Solar Panel (Type-C) | £249 | Sold out |
| RIVER 3 + 110W Solar Panel | £388 | In stock |
| RIVER 3 (UPS) + 110W Solar Panel | £348 | In stock |
Price from the seller's own UK page. Prices change; the seller's page is always right.
Price alert
We'll email you if the price drops by 3% and at least £15. Double opt-in; one click to unsubscribe.
Similar you can buy today
More: all portable power stations · EcoFlow · owner reports