Nightstar Shake Flashlight
December 10, 2009 by
Filed under shake flashlight
The NightStar Flashlight is the best shake flashlight we’ve ever used. Simply shaking this no-battery flashlight for 30 seconds provides more than 20 minutes of light. When shaken, a powerful magnet creates electrical energy as it passes through a tightly coiled wire. The energy is stored in a gold capacitor which, unlike a battery, will [...]