The best portable power stations for camping in 2025: Expert tested and reviewed

To figure this out, you're going to need to get a pencil and do some back of the envelope calculations. You're going to need a couple of bits of information. First, you need to know what devices you are going to power. List them all, because forgetting that coffee pot or heated blanket could make the difference between the power station lasting all day, or giving up the ghost on you before the day is over. Specifically, you want to know how much power, in watts, each device draws. This information is usually found on a label on the device. For example, a heater might draw 1,000W, while a CPAP machine might draw 60W. This figure represents the maximum power consumption, and you will find that the power consumption of some devices, such as CPAP machines, fluctuates greatly, while for other devices, like the heater, the power consumption remains quite stable. Next, you need to know how long you plan on running your devices during a day, or between recharges of your power station. Your ... Read full article.