![]() ![]() We use two methods to test power stations. For example, if the power brick says 20 volts at 3 amps, the brick can output up to 60 watts. You can get a rough estimate of the wattage on a device by multiplying the voltage times the amps. The standard output is what it’s built to run at for extended amounts of time, while the peak output is what it can handle for brief periods of time - such as when you first power on a device and it draws more power. Usually a power station will list two different outputs: a standard output and a peak output. Lastly, it’s important to check the watt output of the device(s) you need to power and compare it to the power station’s rating.These days, it’s actually hard to find a higher-capacity power station with anything but pure sine wave. However, if you’re going to use the station for medical equipment (like a CPAP machine), a microwave, or anything with a motor, you’ll want to opt for a station that can output a pure sine wave signal. If you plan on using the power station to charge your phone, laptop, or even power a lamp, a station that lists “sine wave” is perfectly fine. Some power stations list modified sine wave or pure sine wave on their spec sheet. While it’s not realistic to know how you’ll use the power station in the future, try to guesstimate the number of ports and outlets you’ll need.For reference, a capacity of 512Wh is roughly 7x more than our top pick for best portable battery pack, the Mophie PowerStation XXL. Always read the fine print or spec sheet to see the exact capacity. For example, the Anker 535 PowerHouse may lead you to believe that its capacity is 535Wh, but in reality it’s 512Wh. Often the capacity of the station is included in its name, but that’s not always the case. ![]() Check the capacity of the power station.But if you want something to use as a backup power source in your home, size and weight may not matter all that much. When shopping for something you want to take camping, for example, it makes sense to prioritize a lighter weight. The stations are filled with batteries to keep your devices powered, and batteries are heavy. Consider what you plan on using the power station for to decide the ideal capacity and physical size of the power station.In the list below, we try not to get too technical. When shopping for a power station, there are some important aspects to keep in mind. For example, some stations have the ability to power a microwave, while others can maybe deal with the power requirements of a desktop gaming computer. Not all power stations are created equal. ![]()
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