passive101
Enlightened
- Joined
- Aug 15, 2007
- Messages
- 653
Why can a 9 volt flashlight such as the safe-light keep the small LED on for 1-2 years, when AA and 123A doesn't? I know it uses a very weak LED, but couldn't another manufacturer put a small LED in the side of the light and run it while the light is off?
What makes 9 volt so special in this regard, or is this a feature that others don't want/need, to find the light in the dark?
What makes 9 volt so special in this regard, or is this a feature that others don't want/need, to find the light in the dark?