How long will a Bluetti EB70S run LED Christmas tree lights (500 bulbs)?
About 12 hours — 11 h 34 min typically, from 10 h 53 min in the worst case to 12 h 14 min at best. That assumes LED Christmas tree lights (500 bulbs) pulling 35 W continuously, plus the station's 10 W AC mains socket overhead — 45 W in total out of 520 usable watt-hours.
About a sixth of the same tree in old incandescent bulbs, and cool enough to touch.
The numbers
| Setup | Average draw | Cautious | Typical | Best case |
|---|---|---|---|---|
| 1 × LED Christmas tree lights (500 bulbs), UK 230 V | 45 W | 10 h 53 min | 11 h 34 min | 12 h 14 min |
| 2 × LED Christmas tree lights (500 bulbs), UK 230 V | 80 W | 6 h 7 min | 6 h 30 min | 6 h 53 min |
| 1 × LED Christmas tree lights (500 bulbs), US 120 V | 45 W | 10 h 53 min | 11 h 34 min | 12 h 14 min |
- 1.5 nights of eight hours, or 0.48 days of continuous running.
- Usable energy: 520 Wh of the 716 Wh on the box, after chemistry, inverter losses and the reserve.
- To keep it going for a full 24 hours you would need about 1,486 Wh of rated capacity — 2.1× this station.
- Start-up: the LED Christmas tree lights (500 bulbs) asks for 35 W at switch-on against this station's 1,400 W peak — comfortable.
Buy the Bluetti EB70S
Where to buy
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What changes the answer
| If instead… | Typical runtime | Change |
|---|---|---|
| The pack is two years old | 10 h 38 min | -8% |
| The pack is five years old | 9 h 15 min | -20% |
| It is −10 °C outside | 9 h 50 min | -15% |
| You run it flat, no reserve | 12 h 51 min | +11% |
| You keep 20% back | 10 h 17 min | -11% |
If you need it to run longer
These run LED Christmas tree lights (500 bulbs) for at least twice as long as the Bluetti EB70S does, cheapest first.
| Station | Wh | Typical | Indicative price |
|---|---|---|---|
| Jackery Explorer 2000 v2 | 2,042 | 30 h 55 min | £849 / $999 |
| OUKITEL P2001 Ultimate | 2,000 | 30 h 17 min | £999 / $1,099 |
| OUKITEL BP2000 | 2,048 | 31 h 1 min | £1,099 / $1,199 |
| EcoFlow DELTA 2 Max | 2,048 | 30 h 23 min | £1,199 / $1,399 |
The cheapest step up: Jackery Explorer 2000 v2
Amazon and approved-programme links are affiliate links; the site may earn a commission at no extra cost to you. Links marked “official site” are untracked. Prices and stock change constantly — check before you buy.
Smaller options that still work
| Station | Wh | Typical | Weight | Indicative price |
|---|---|---|---|---|
| UGREEN PowerRoam 600 | 680 | 11 h 14 min | 8.4 kg | £449 / $499 |
| Goal Zero Yeti 700 | 677 | 11 h 11 min | 9.2 kg | — / $700 |
| Jackery Explorer 600 Plus | 632 | 10 h 41 min | 7.3 kg | — |
| EcoFlow RIVER 2 Max | 512 | 8 h 28 min | 6 kg | £449 / $349 |
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