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 today’s world, personal safety has become a major concern for many individuals. With rising crime rates and unpredictable situations, having an effective means of self-defense is more important ...

This high-intensity flashlight is designed to help aircraft technicians improve inspections in tight spaces or where they must see around corners or past obstructions without producing a glare or ...

A high intensity red jumbo LED is being used on this project as the rechargeable flashlight provides a moderate source of light that will always be available without the need to replace batteries of ...

Pixel owners have been left in the dark, so to speak, without the ability to tweak the brightness on their flashlights, but ...