Rechargeable/portable multi-voltage dc power supply

Recharging accumulator batteries

Recharging device with voltage detection for an alkaline...

Recreational vehicle converter-battery fast charge circuit

Recreational vehicle power control system

Rectification, derectification and power flow control

Rectifier control system for a dc power plant system

Rectifier-regulator module for alternator-battery electrical...

Rectifier-super capacitor device for use in a power system...

Reduction of disturbances in a power network

Reduction of disturbances in a power network

Redundant battery connections

Redundant power mixing element with fault detection for dc-...

Redundant power supply

Redundant power supply system

Reference voltage arrangement

Regenerative system for electric vehicle

Regulated rectifier for alternator-supplied battery charger

Regulating device for electrical batteries

Regulator for charging a battery with a permanent magnet...