Battery charger with standby mode

A charger for charging a battery power source removably disposed on and electrically connectable to the charger, the charger comprising:

• a controller electrically connectable to the battery power source;
• at least one terminal connected to at least one of the controller and the battery power source;
• a power supply connectable to an outside power source, the power supply providing power to at least one of the controller and the battery power source;
• and
• a switch connected between the outside power supply and the power supply, the switch being activated when a battery power source is disposed on the charger.

A charger for charging a battery power source removably disposed on and electrically connectable to the charger, the charger comprising:

• a controller electrically connectable to the battery power source;
• at least one terminal connected to at least one of the controller and the battery power source;
• a power supply connectable to an outside power source, the power supply providing power to at least one of the controller and the battery power source;
• and
• a switch connected between the power supply and at least one of the controller and the battery power source, the switch being activated when a battery pack is connected to the at least one terminal.