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...
How long does it take to recharge batteries?Most offers a variety of chargers that allow you to recharge as quickly as you need: from value priced overnight chargers to high speed 15 minute chargers. The best...