Power supply device for operating accumulator or battery-operated electrical equipment, has energy storage and boosting transducer for changing output voltage of energy storage into required higher operating voltage

摘要

The power supply device (10) has energy storage and a boosting transducer (14) for changing the output voltage of the energy storage into a higher operating voltage required by electrical equipment. The boosting transducer has a switching power supply. The power supply device has such dimensions in such a manner that it is applicable into a battery box (16) of the used electrical equipment.