EcoFlow · power station
EcoFlow DELTA 3 Max Plus
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Keeps a fridge-freezer, router, two lamps and phones going for about 25 hours in a power cut. Powerful enough for a 3 kW kettle. Switches over in 10 ms or less when the mains fails.
Our spec score 7.9/10 among 1,500-2,500 models · how we score
From £1,399 In stock
Check price at EcoFlow UKIs it right for me?
| Kitchen appliances | Boils a 3 kW kettle |
|---|---|
| Power cut | About 25 hours of fridge-freezer, router, two lamps and phones |
| Carrying | 22.1 kg: two people or a trolley for stairs |
| Recharging | Charge time not published |
| Medical and sensitive kit | Switches to battery in 10 ms or less |
| Growing later | Expands to 10,000 Wh with extra batteries |
| Saving money | Buy it for backup, not savings: charging overnight at about 8.5p and using the power by day would save about £113 a year, before battery wear |
- ✓ Kettle (3 kW)
- ✓ Microwave
- ✓ Fridge-freezer
- ✓ CPAP
Typical appliance figures; check your own appliances.
Note: Expands to 10 kWh with Smart Extra Batteries. Cycle life is not on the UK page.
Why it's worth a look
- Keeps a fridge-freezer, router, two lamps and phones going for about 25 hours in a power cut.
- Boils a 3 kW kettle, so a cup of tea survives the power cut.
- Takes over in 10 ms when the mains drops: fast enough for computers and most CPAP machines.
- Takes up to 500 W of solar, so it can refill in a long cut or off-grid.
- Expandable to 10,000 Wh with extra batteries.
- 5-year warranty.
Watch out for
- Heavy at 22.1 kg: think about who will move it.
- Battery life () 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.
What to buy with it
- EcoFlow 160W Lightweight Portable Solar Panel: about 0.38 kWh on an average UK day, from £199
- EcoFlow 220W Lightweight Portable Solar Panel: about 0.52 kWh on an average UK day, from £349
- Extra battery: the store sells it bundled as "DELTA 3 Max Plus (2048Wh) / Smart Extra Battery" for £1,978 (see "Also sold as" below)
- Solar input tops out at 500 W, so bigger panels than that are wasted on this model
Where it ranks in our lists
Compared head to head
- EcoFlow vs Jackery (brand head-to-head)
- EcoFlow vs BLUETTI (brand head-to-head)
- Anker SOLIX vs EcoFlow (brand head-to-head)
Full specifications
| Capacity | 2,048 Wh |
|---|---|
| Continuous output | 3,000 W |
| Surge / peak | 6,000 W |
| 3-pin sockets | 4 |
| Battery type | LFP |
| Rated cycles | not published |
| Weight | 22.1 kg |
| Mains charge to full | not published |
| Max solar input | 500 W |
| UPS switch-over | 10 ms |
| Expandable to | 10,000 Wh |
| Fastest USB-C | 100 W |
| Warranty | 5 years |
| App | EcoFlow app (Wi-Fi and Bluetooth) |
| Noise (maker's figure) | not published |
Where to buy and every version
| Seller | Price | Check price |
|---|---|---|
| EcoFlow UK (official store) | £1,399 | Check price |
| Argos | see seller | Check price |
Also sold as (4 bundles and options)
| Seller's version | Price | Stock |
|---|---|---|
| DELTA 3 Max Plus (2048Wh) / 400W Solar Panel | £1,753 | Sold out |
| DELTA 3 Max Plus (2048Wh) / 220W Solar Panel | £1,573 | In stock |
| DELTA 3 Max Plus (2048Wh) / RAPID Pro 20000mAh | £1,529 | Sold out |
| DELTA 3 Max Plus (2048Wh) / Smart Extra Battery | £1,978 | In stock |
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