Electric Razor HT46R01M Only Needs One Battery Characteristics Includes internal DC-DC converter -- can accept input voltages down to 0.7V, and still maintain a fixed output voltage of 3.0V Low battery detection and indication PWM output for motor speed control Zero standby current Fig 1 : Electric Razor HT46R01M Fig 2 : Electric Razor PCB -- Top Side Fig 3 : Electric Razor PCB -- Lower Side Application Areas Various Single Battery Products Application Circuit