How long will a 1,000Wh power station run?
Use the interactive 1,000Wh runtime calculator, compare practical examples and understand the difference between watts and watt-hours.
Start here — Answer first. Details only when you need them.

Low-load standby and high-load conversion can change the result.
Try your own watts ↓How long will 1,000Wh last?
This quick estimate plans around 800Wh of usable energy. Enter average consumption—not only the largest number printed on the power adapter.
Runtime by average load
| Average load | Example category | Ideal at 1,000Wh | Planned at 800Wh |
|---|---|---|---|
| 25W | Router / small electronics | 40 hours | 32 hours |
| 50W | Laptop / compact device | 20 hours | 16 hours |
| 100W | Workstation / several devices | 10 hours | 8 hours |
| 500W | Medium appliance | 2 hours | 1.6 hours |
| 1,000W | High-power appliance | 1 hour | 0.8 hours |
Usable Wh ÷ average W = hours. Planning estimate only.
What does this mean
for your choice?
Watts and watt-hours answer different questions
Watts describe the rate at which a device uses energy. Watt-hours describe the amount stored or consumed over time. A 1,000Wh battery does not mean it can supply every 1,000W appliance.
The inverter has its own ceiling
A battery may store enough energy but still have too little continuous or peak output. Motors, compressors and heating equipment require separate output checks before runtime matters.
Small loads expose standby loss
At low draw, the station's electronics and AC inverter can consume a meaningful share of the total. A native DC or USB-C path may reduce unnecessary conversion.
1kWh-class stations to compare after calculating.
These are reference models, not automatic picks. Check the profile, the regional version and the connections.

Photo: EcoFlow
EU version
EcoFlowDELTA 2
- Battery
- 1,024Wh
- Continuous output
- 1,800W
- Solar input
- Up to 500W

Photo: Anker SOLIX
UK version
Anker SOLIXC1000 Gen 2
- Battery
- 1,024Wh
- Continuous output
- 2,000W
- Solar input
- Up to 600W

Photo: EcoFlow
EU version
EcoFlowDELTA 3 Plus
- Battery
- 1,024Wh
- Continuous output
- 1,800W
- Solar input
- Up to 1,000W
Run through this short check.
- ✓Average device draw rather than only maximum rating
- ✓Station continuous and peak output
- ✓AC, DC or USB-C conversion path
- ✓Low-load auto-shutdown setting
- ✓Reserve for cold, aging and unexpected use
Quick answers for the final uncertainty.
Does a 1,000Wh station always deliver 1,000Wh?
No. Battery protection, inverter conversion, standby consumption, temperature and discharge rate reduce the energy that reaches the device.
Can it run a 1,500W appliance?
Only if the station's continuous output supports that load. Capacity sets the duration. The inverter decides whether the appliance can start and stay on.
Why does the screen estimate change while running?
The estimate follows the live load. Thermostats, chargers, motors and computer work change over time, so the remaining hours move with them.