SCR

Metal rectifiers

Bridge rectifiers

Full wave rectifiers

Uni directional Power Supply

Un interrupted Power Supply

Uniform Power Supply

Un regulated Power Supply

Inverter

UPS

Voltage Stabilizer

Regulated Power Supply

Thermistors

Sensistors

Photovoltaic cell

Light dependent resistor

Nickel cadmium batteries

SMF batteries

Tubular batteries

Nickel iron batteries