Start with the devices you need most
List your essential devices, their running watts, and the hours you want to use them. Decide what can wait during an outage. A focused plan is easier to size than a goal of powering everything.
Compare watts and watt-hours
Watts (W) describe the power a device needs. Watt-hours (Wh) describe stored energy. Check both the battery capacity and the continuous output rating. Add the power needs of devices you intend to use together, and check their plug types.
Check startup requirements
Refrigerators, pumps, and other motor-driven equipment may need much more power when starting. Verify the appliance requirements and the power station manufacturer’s compatibility guidance before buying.
Treat runtime as an estimate
For a steady load, Jackery gives a rough estimate of battery capacity in Wh × 0.8 ÷ device power in W. For example, 2,000 Wh × 0.8 ÷ 100 W is about 16 hours. Actual results vary. This shortcut does not reliably predict refrigerators, freezers, or other variable loads.
Plan how you will recharge
Compare supported charging methods, compatible solar panels, input limits, portability, and the manufacturer’s operating instructions. Make a written plan for what happens when an outage lasts longer than one battery charge.
Before choosing a system
Record your essential loads, required runtime, startup requirements, available charging methods, and budget. Use that list to compare specifications rather than relying on a product’s headline wattage alone.
Sources: Jackery Support — Choosing a portable power station and Estimating runtime.
Our collection is coming soon. Contact us with the devices and use case you are planning for.