How long will a DJI Power 500 run incandescent Christmas tree lights (500 bulbs)?
About 1.8 hours — 1 h 45 min typically, from 1 h 38 min in the worst case to 1 h 51 min at best. That assumes incandescent Christmas tree lights (500 bulbs) pulling 204 W continuously, plus the station's 9 W AC mains socket overhead — 213 W in total out of 372 usable watt-hours.
The old bulbs draw about six times what LEDs do for the same tree, and run hot.
The numbers
| Setup | Average draw | Cautious | Typical | Best case |
|---|---|---|---|---|
| 1 × incandescent Christmas tree lights (500 bulbs), UK 230 V | 213 W | 1 h 38 min | 1 h 45 min | 1 h 51 min |
| 2 × incandescent Christmas tree lights (500 bulbs), UK 230 V | 417 W | 50 min | 53 min | 56 min |
| 1 × incandescent Christmas tree lights (500 bulbs), US 120 V | 213 W | 1 h 38 min | 1 h 45 min | 1 h 51 min |
- 0.2 nights of eight hours, or 0.07 days of continuous running.
- Usable energy: 372 Wh of the 512 Wh on the box, after chemistry, inverter losses and the reserve.
- To keep it going for a full 24 hours you would need about 7,034 Wh of rated capacity — 13.7× this station.
- Start-up: the incandescent Christmas tree lights (500 bulbs) asks for 204 W at switch-on against this station's 2,200 W peak — comfortable.
Buy the DJI Power 500
What changes the answer
| If instead… | Typical runtime | Change |
|---|---|---|
| The pack is two years old | 1 h 37 min | -8% |
| The pack is five years old | 1 h 24 min | -20% |
| It is −10 °C outside | 1 h 29 min | -15% |
| You run it flat, no reserve | 1 h 56 min | +11% |
| You keep 20% back | 1 h 33 min | -11% |
If you need it to run longer
These run incandescent Christmas tree lights (500 bulbs) for at least twice as long as the DJI Power 500 does, cheapest first.
| Station | Wh | Typical | Indicative price |
|---|---|---|---|
| Jackery Explorer 1000 v2 | 1,070 | 3 h 38 min | £419 / $549 |
| Jackery Explorer 1000 Plus | 1,264 | 4 h 16 min | £549 / $999 |
| Anker SOLIX C1000 | 1,056 | 3 h 34 min | £699 / $799 |
| ALLPOWERS R1500 | 1,152 | 3 h 53 min | £699 / $539 |
The cheapest step up: Jackery Explorer 1000 v2
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Smaller options that still work
| Station | Wh | Typical | Weight | Indicative price |
|---|---|---|---|---|
| Goal Zero Yeti 500 | 499 | 1 h 42 min | 7.3 kg | — / $500 |
| Bluetti AC50B | 448 | 1 h 32 min | 6.5 kg | £299 / $399 |
| Bluetti AC60 | 403 | 1 h 23 min | 9.1 kg | £449 / $599 |
| Goal Zero Yeti 300 | 297 | 1 h 1 min | 6.2 kg | — / $350 |
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