You can power everything from electronics to appliances to essential medical equipment when the grid goes offline.

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U.S.-based start-up EcoFlow this week presented its latest portable battery ... be expanded and the home battery could be linked to several power sources and the power supply controlled.

Of all the players in the home computer world in the 1980s ... came with their own monitors that also had a built-in power supply, and featured built-in data recorders or disk drives as standard.

Sometimes you need a power supply that can be thrown into the back of a car and taken into the field. [BadWolf] didn’t want to take his bench supply, so he whipped up this very portable power ...