EcoFlow · power station
EcoFlow DELTA 3 Classic
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Keeps a fridge-freezer, router, two lamps and phones going for about 12 hours in a power cut. Runs a microwave or a hairdryer, but not a full-power kettle. Switches over in 10 ms or less when the mains fails.
Spec score 8.6/10 in mid-size (500-1,500 ) · how we score
From £499 In stock
Check price at EcoFlow UK- ✗ Kettle (3 kW)
- ✓ Microwave
- ✓ Fridge-freezer
- ✓ CPAP
Typical appliance figures; check your own appliances.
Note: Cycle life and solar input not published on the UK page. 5 years = 3 standard + 2 when registered in the app.
Why it's worth a look
- Keeps a fridge-freezer, router, two lamps and phones going for about 12 hours in a power cut.
- Takes over in 10 ms when the mains drops: fast enough for computers and most CPAP machines.
- 5-year warranty.
Watch out for
- Can't boil a 3 kW kettle (1,800 W output).
- Battery life (cycles) not published.
Reliability signals
- Warranty: 5 years (maker's UK page)
- Battery:
- 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 | 1,024 Wh |
|---|---|
| Continuous output | 1,800 W |
| Surge / peak | 3,600 W |
| 3-pin sockets | not published |
| Battery type | LFP |
| Rated cycles | not published |
| Weight | 12.8 kg |
| Mains charge to full | 0-80% in about 45 minutes |
| Max solar input | not published |
| UPS switch-over | 10 ms |
| Expandable to | not published |
| Fastest USB-C | not published |
| Warranty | 5 years |
| App | EcoFlow app |
| Noise (maker's figure) | not published |
Sources (1)
- EcoFlow UK (official store): product page and specifications, checked 22 Oct 2026
Where to buy
| Seller | Price | |
|---|---|---|
| EcoFlow UK (official store) | £499 | Check price |
Also sold as (5 bundles and options)
| Seller's version | Price | Stock |
|---|---|---|
| DELTA 3 Classic (1024Wh) + 100W Flexible Solar Panel*2 | £645 | In stock |
| DELTA 3 Classic (1024Wh) + Alternator Charger 600 | £748 | In stock |
| DELTA 3 Classic (1024Wh) + 220 W Lightweight Portable Solar Panel | £848 | In stock |
| DELTA 3 Classic (1024Wh) + 160W Portable Solar Panel | £569 | In stock |
| DELTA 3 Classic (1024Wh) + RAPID Pro 140W Charger | £579 | Sold out |
Price from the seller's own UK page. Prices change; the seller's page is always right.
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More: all portable power stations · EcoFlow · owner reports