It's always best to be prepared in case of an emergency, and these DeWalt products may prove incredibly useful in an emergency roadside situation.

DeWalt is one of the leading makers of cordless power tools. Its chargers have indicator lights to provide important information on battery status and health.

This kit retails for $229 and the included batteries work with more than 300 Dewalt tools in the company's arsenal.

It's often said that leaving rechargeable tool batteries on the charger is bad for them, but in DeWalt's case, it's not a big deal. DeWalt batteries are equipped with something called Maintenance ...