Whether you're using a bright flashlight several times a week or a few times a month, you want to get the most out of your batteries. That's why it's a good idea to take the batteries out of your ...
Ok, seriously, why does a $10 chinese special handheld flashlight operating off of 3 AAA batteries output absurdly more light than the lights using an 18v 1.3Ah battery? Hell, the new power drills ...