These models juice up your refrigerator, air conditioner, and other essentials during an emergency—no matter what.

If you often lose power where you live, whether because of seasonal storms such as hurricanes or due to other problems with the electrical grid, having a whole-house generator can be very convenient.

Ryobi makes plenty of good tools to have for a winter storm, but you will have a hard time finding one more useful and versatile than the 6500-Watt Generator. This portable powerhouse delivers 8,125 ...

Both provide electricity during an outage—the choice comes down to convenience, price, and powerA portable generator (left) ...