Battery Saving Idea

A friend of mine liked this tip.  If you have a battery in a device that drains the battery when you are not using it (like a clock on a portable radio) and you do not care about what the battery is powering, just reverse the polarity of the battery in the device.  When you need to power the device again, you just reverse the polarity.  This idea does not drain the battery when it is in the device, and you have the battery readily available when you need it.                                                             Love,                                                             Dad