Back-up battery management apparatus and method for charging...

Back-up battery management apparatus for charging and testing in

Back-up battery management system for a DC power supply

Back-up power supply with replaceable battery pack

Balanced battery charger

Bandgap reference circuit

Batteries and chargers therefor

Battery access system

Battery accumulating apparatus

Battery analyzer/conditioner system and method of using same

Battery and method for charging/discharging the battery

Battery apparatus and control system therefor

Battery apparatus for an electric shaver

Battery apparatus for controlling plural batteries and...

Battery apparatus for controlling plural batteries and...

Battery apparatus for controlling plural batteries and...

Battery apparatus, battery control apparatus, and motor...

Battery back-up system for electromagnets

Battery booster

Battery booster