How about a ResQMe?

AM/FM/Weather/TV radios to be useful in power-outage situations. During the Allison flooding of Houston TV stations gave much more useful information than did the radio stations even if you couldn't see the picture.

Small power converters that plug into car cigarette lighters? They can run a fan/laptop/small tv or radio.

High quality jumper cables!

Water bottle with built-in filter system?

Emergency cell phone chargers?

-Blast