This Design Idea describes a high-intensity, rechargeable flashlight system that you can build from a 6V lantern-type flashlight. The rechargeable battery comprises four 2V, 2.5-Ahr (ampere-hour) SLA ...

In the great outdoors, getting more out of a single tool means a better time at camp and less gear and weight in your pack. That's a big reason why the category of multifunctional lighting has been ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For times when your power goes out unexpectedly, an emergency repair arises after sundown, or a project ...