Imagine a compact flashlight that doesn’t need batteries or bulbs. You’d buy a 10-pack and stash them everywhere, right? If there’s nothing that will leak or break or expire in your lifetime ...

rechargeable bulbs can also be used independently from a fixture as a flashlight or lantern. The best battery backup bulbs ...

A flashlight that uses white LEDs rather than conventional bulbs. LEDs can last for decades and use less energy than incandescent bulbs. Emerging after the turn of the century, digital flashlights ...