There are two main types of rechargeable batteries Ni-Cad Ni-MH Ni-Cad is now considered old technology. Ni-Cad batteries suffer what is known as "memory" problems, if they are not completely "cycled" IE...
Silver Oxide vs Alkaline Watch Batteries Alkaline batteries are defined by the letters AG in front of them, IE AG1 AG2 AG3 etc You should NEVER use Alkaline cells in watches for 3 very good reasons 1:...