It’s been a decade since the historic 2004 hurricane season, one of the Atlantic basin’s most active years ever. Four major storms wreaked havoc along the East Coast, causing more than $51 billion in damage. Since then, other record-setting hurricanes, including Katrina, Ike, and Sandy, have walloped the U.S. This season, fight back. If a powerful storm knocks out the electricity, these household hacks can supply your most essential needs.