"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When the power goes out, and you’re not sure when it will come back on, knowing how long your power ...

GREENSBORO, N.C. — Whether it’s a hurricane, an ice storm, or even a wildfire, power outages seem to be happening more often and in more places. Maybe you’re thinking about buying a generator to keep ...

A solar generator’s capacity is measured in watt-hours, and it can give you an idea of how long you can power devices. Higher-powered devices eat up more capacity, thus draining the battery faster.