Start by making a list of the devices and appliances you need to power and add up the number of watts it takes to run them. Consider the fuel options to generate backup power, whether it's gas or ...

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.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Start by making a list of the devices and appliances you need to power and add up the number of watts it ...

"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 ...