How long will an EcoFlow DELTA Pro 3 run a garden inflatable (christmas or halloween)?
About 1.8 days — 42 h 32 min typically, from 40 h 1 min in the worst case to 45 h 2 min at best. That assumes a garden inflatable (christmas or halloween) pulling 50 W continuously, plus the station's 20 W AC mains socket overhead — 70 W in total out of 2,977 usable watt-hours.
The fan runs the whole time it is standing up, so the hours it is on decide the cost.
The numbers
| Setup | Average draw | Cautious | Typical | Best case |
|---|---|---|---|---|
| 1 × garden inflatable (christmas or halloween), UK 230 V | 70 W | 40 h 1 min | 42 h 32 min | 45 h 2 min |
| 2 × garden inflatable (christmas or halloween), UK 230 V | 120 W | 23 h 21 min | 24 h 49 min | 26 h 16 min |
| 1 × garden inflatable (christmas or halloween), US 120 V | 70 W | 40 h 1 min | 42 h 32 min | 45 h 2 min |
- 5.3 nights of eight hours, or 1.77 days of continuous running.
- Usable energy: 2,977 Wh of the 4,096 Wh on the box, after chemistry, inverter losses and the reserve.
- To keep it going for a full 24 hours you would need about 2,312 Wh of rated capacity — which this station has.
- Start-up: the garden inflatable (christmas or halloween) asks for 50 W at switch-on against this station's 8,000 W peak — comfortable.
Buy the EcoFlow DELTA Pro 3
Where to buy
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What changes the answer
| If instead… | Typical runtime | Change |
|---|---|---|
| The pack is two years old | 39 h 7 min | -8% |
| The pack is five years old | 34 h 1 min | -20% |
| It is −10 °C outside | 36 h 9 min | -15% |
| You run it flat, no reserve | 47 h 15 min | +11% |
| You keep 20% back | 37 h 48 min | -11% |
If you need it to run longer
Nothing in this catalogue runs a garden inflatable (christmas or halloween) for twice as long as the EcoFlow DELTA Pro 3. Either it is already near the top of the range, or this appliance is beyond what portable batteries do well — see the garden inflatable (christmas or halloween) page for the full ranking.
Smaller options that still work
| Station | Wh | Typical | Weight | Indicative price |
|---|---|---|---|---|
| Goal Zero Yeti PRO 4000 | 3,993 | 42 h 41 min | 52.5 kg | — / $4,000 |
| Anker SOLIX F3800 | 3,840 | 41 h 2 min | 60 kg | £2,999 / $3,499 |
| EcoFlow DELTA Pro | 3,600 | 38 h 28 min | 45 kg | £2,499 / $2,699 |
| Anker SOLIX F3000 | 3,072 | 33 h 50 min | 41.5 kg | £1,899 / $1,999 |
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