The Best Portable Power Stations of 2025 | Tested by Bob Vila
Our new top pick, the Bluetti Elite 200 V2, stood out for its exceptional battery capacity—among the highest of any model we tested that isn''t a whole-house unit—plus its
You can calculate this value by a simple method: Take the wattage each device you wish to power requires and multiply it by the number of hours they are used. After figuring out what size portable power station I need, you are probably asking yourself: Which one should I choose?
This Portable Power Station Size Calculator is a simple yet powerful tool that helps you determine the ideal power station capacity for your needs. By inputting your devices' total power consumption, desired runtime, and power station efficiency, you'll get an accurate estimate of the required capacity in Watt-Hours (Wh).
This formula calculates the minimum capacity (in Wh) your power station needs to deliver enough power to the devices over the specified runtime. Example 1: “You need a power station with at least 705.88 Wh capacity. Example 2:
For example, if you plan to power a device that requires 1,000 watts, you'll need a portable power station with an output wattage of at least 1,000 watts. Remember: some devices may have a higher startup or surge wattage, which is the extra wattage required when the device is first turned on. AC Output: This is the standard household outlet type.
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