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 ...

One of the most important items to take with you when you go camping is a source of light. Once the sun goes down, if you have no light, you will be drastically limited in what you can do. Coleman’s ...