How long will a Bluetti Apex 300 run incandescent Christmas tree lights (500 bulbs)?
About 9.1 hours — 9 h 8 min typically, from 8 h 35 min in the worst case to 9 h 40 min at best. That assumes incandescent Christmas tree lights (500 bulbs) pulling 204 W continuously, plus the station's 16 W AC mains socket overhead — 220 W in total out of 2,009 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 | 220 W | 8 h 35 min | 9 h 8 min | 9 h 40 min |
| 2 × incandescent Christmas tree lights (500 bulbs), UK 230 V | 424 W | 4 h 28 min | 4 h 44 min | 5 h 1 min |
| 1 × incandescent Christmas tree lights (500 bulbs), US 120 V | 220 W | 8 h 35 min | 9 h 8 min | 9 h 40 min |
- 1.1 nights of eight hours, or 0.38 days of continuous running.
- Usable energy: 2,009 Wh of the 2,764 Wh on the box, after chemistry, inverter losses and the reserve.
- To keep it going for a full 24 hours you would need about 7,265 Wh of rated capacity — 2.6× this station.
- Start-up: the incandescent Christmas tree lights (500 bulbs) asks for 204 W at switch-on against this station's 7,680 W peak — comfortable.
Buy the Bluetti Apex 300
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What changes the answer
| If instead… | Typical runtime | Change |
|---|---|---|
| The pack is two years old | 8 h 24 min | -8% |
| The pack is five years old | 7 h 18 min | -20% |
| It is −10 °C outside | 7 h 46 min | -15% |
| You run it flat, no reserve | 10 h 9 min | +11% |
| You keep 20% back | 8 h 7 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 Bluetti Apex 300 does, cheapest first.
| Station | Wh | Typical | Indicative price |
|---|---|---|---|
| Zendure SuperBase V6400 | 6,438 | 19 h 37 min | £3,699 / $3,999 |
| EcoFlow DELTA Pro Ultra | 6,144 | 19 h 30 min | £4,999 / $5,799 |
Smaller options that still work
| Station | Wh | Typical | Weight | Indicative price |
|---|---|---|---|---|
| Dabbsson DBS2300 | 2,330 | 7 h 48 min | 25 kg | £1,499 / $1,599 |
| Bluetti Elite 200 V2 | 2,073 | 6 h 56 min | 24.5 kg | £1,199 / $899 |
| DJI Power 2000 | 2,048 | 6 h 53 min | 22 kg | £1,299 / $1,399 |
| EcoFlow DELTA 3 Max | 2,048 | 6 h 52 min | 20.3 kg | £1,199 / $1,499 |
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