A power bank keeps a phone alive; a portable power station keeps a household going. It is a large lithium battery with proper 230V plug sockets and USB ports, so during an outage you can run a Wi-Fi router, charge laptops and phones, power a lamp, and keep essential medical equipment such as a CPAP machine going for hours. Unlike a petrol generator it is silent, produces no fumes and is safe to use indoors, which matters when the power goes out on a cold, dark evening and you are not going to run an engine in the garden.
Most UK power cuts are short, but storm-driven outages can last a day or more — Storm Eowyn left some homes without power for days. A power station turns that from a crisis into an inconvenience. Charged and kept ready, it is one of the few pieces of kit that genuinely changes how a long outage feels, especially for families, anyone working from home, or those who depend on powered medical devices.