AC-powered recharging device for cigarette lighter-adapted...

Adapter system and method for powering a device

Adapter system for battery-powered tools

Adapter system for recharging portable electronic devices...

Apparatus and method of recharging a battery using a USB...

Battery backup system for appliances using wall transformers

Battery charger having a interchangeable plug device

Battery charger having attached base

Battery charger having fixed ends for winding and releasing...

Battery charger unit incorporated in a power cord reel housing

Battery charger with control of two power supply circuits

Battery charging unit incorporated in a power cord reel housing

Battery operated extension cord

Charging device with rotatable power inlet

Combination battery charger and power source for electrically po

Combinational charging mechanism

Communication device with a USB port for charging

Contactor monitor for charging stations

Direct plug in power tool using single pair of contacts for both

Dummy battery apparatus