A smaller size battery can be converted/ upsized and used as a larger battery in case of an emergency situation. Ex. Clock ran out of battery and required a size D battery; however, you've got only an AAA at hand. Simply slide an AAA into the she... - Update: 2009-08-18

A smaller size battery can be converted/ upsized and used as a larger battery in case of an emergency situation. Ex. Clock ran out of battery and required a size D battery; however, you've got only an AAA at hand. Simply slide an AAA into the she... - Update: 2009-08-18

A smaller size battery can be converted/ upsized and used as a larger battery in case of an emergency situation. Ex. Clock ran out of battery and required a size D battery; however, you've got only an AAA at hand. Simply slide an AAA into the she... - Update: 2009-08-18

A smaller size battery can be converted/ upsized and used as a larger battery in case of an emergency situation. Ex. Clock ran out of battery and required a size D battery; however, you've got only an AAA at hand. Simply slide an AAA into the she... - Update: 2009-08-18

A smaller size battery can be converted/ upsized and used as a larger battery in case of an emergency situation. Ex. Clock ran out of battery and required a size D battery; however, you've got only an AAA at hand. Simply slide an AAA into the she... - Update: 2009-08-18