How long will a Jackery Explorer 3000 Pro run a gas furnace?
About 6.6 hours — 6 h 37 min typically, from 6 h 13 min in the worst case to 7 h at best. That assumes a gas furnace pulling 600 W for 50% of the time (average 300 W), plus the station's 15 W AC mains socket overhead — 315 W in total out of 2,082 usable watt-hours.
The gas makes the heat, but the blower that pushes warm air through the ducts is a real motor with a real start-up surge — far more than a British combi boiler. Variable-speed (ECM) blowers usually draw less.
Before you rely on it
A furnace blower is a real motor with a start-up surge, and most furnaces are hard-wired with no plug. Some will not light on a station's floating output because they sense the flame through ground. The furnace guide explains all three problems and the safe way to connect one.
The numbers
| Setup | Average draw | Cautious | Typical | Best case |
|---|---|---|---|---|
| 1 × gas furnace, UK 230 V | 315 W | 6 h 13 min | 6 h 37 min | 7 h |
| 2 × gas furnace, UK 230 V | 615 W | 3 h 11 min | 3 h 23 min | 3 h 35 min |
| 1 × gas furnace, US 120 V | 315 W | 6 h 13 min | 6 h 37 min | 7 h |
- 0.8 nights of eight hours, or 0.28 days of continuous running.
- Usable energy: 2,082 Wh of the 3,024 Wh on the box, after chemistry, inverter losses and the reserve.
- To keep it going for a full 24 hours you would need about 10,403 Wh of rated capacity — 3.4× this station.
- Start-up: the gas furnace asks for 1,500 W at switch-on against this station's 6,000 W peak — comfortable.
Buy the Jackery Explorer 3000 Pro
Where to buy
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If this is for a power cut
Heating is what a battery does worst. In a power cut, warming people rather than rooms goes much further, and none of this needs a socket.
Without a power station: a 20,000 mAh power bank runs a USB heated throw for about 7 h 24 min. See the power bank numbers.
Hot water bottle and a vacuum flask. Boil water while you still can, keep it hot in a flask, and refill the bottle through the night.
Look for: A bottle made to BS 1970 in the UK, and a flask of a litre or more.
Hand warmers. Air-activated packs give hours of heat with no power at all, and a pocketful helps children and older relatives.
Look for: Long-duration packs, and the expiry date on bulk boxes.
Amazon links are affiliate searches for a type of product, not endorsements of a model; the site may earn a commission at no extra cost to you.
More: How to keep warm in a power cut, and the power cut essentials list (US edition).
What changes the answer
| If instead… | Typical runtime | Change |
|---|---|---|
| The pack is two years old | 6 h 5 min | -8% |
| The pack is five years old | 5 h 17 min | -20% |
| It is −10 °C outside | 5 h 17 min | -20% |
| You run it flat, no reserve | 7 h 20 min | +11% |
| You keep 20% back | 5 h 53 min | -11% |
If you need it to run longer
These run a gas furnace for at least twice as long as the Jackery Explorer 3000 Pro does, cheapest first.
| Station | Wh | Typical | Indicative price |
|---|---|---|---|
| Zendure SuperBase V6400 | 6,438 | 13 h 46 min | £3,699 / $3,999 |
| EcoFlow DELTA Pro Ultra | 6,144 | 13 h 44 min | £4,999 / $5,799 |
Smaller options that still work
| Station | Wh | Typical | Weight | Indicative price |
|---|---|---|---|---|
| Bluetti Apex 300 | 2,764 | 6 h 22 min | 37 kg | £1,799 / $1,699 |
| Dabbsson DBS2300 | 2,330 | 5 h 25 min | 25 kg | £1,499 / $1,599 |
| Bluetti Elite 200 V2 | 2,073 | 4 h 49 min | 24.5 kg | £1,199 / $899 |
| DJI Power 2000 | 2,048 | 4 h 46 min | 22 kg | £1,299 / $1,399 |
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