Bill of Material

Charger
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IC  L5971  DC-DC Converter
    LM358  OP Amplifier
    TL431  Voltage reference (TO92 package)

TR  2N3904 Transistor

DI  1N4148 Diode  
    1N5822 Shotky Diode
    LED, Green
  
Resistor

    22Kohm, 1/4W Carbon film resistor
    2.2Kohm
    7.5Kohm
    10Kohm X 3
    270Kohm
    47Kohm X 2
    1Kohm
    560ohm
    0.1ohm, 2W wire wound  
  
Potentiometer

    5Kohm X 3, Multi turn

Capacitor

    0.1uF X 3, Multi layer ceramic
    0.022uF(223) Film capacitor
    0.0012uF(122) Film capacitor
    220uF 25V Electrolytic capacitor
    330uF 16V Electrolytic capacitor

Coil  70uH, Toroidal

        
        
Voltage converter
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IC  L5971  DC-DC Converter

DI  1N5822 Shotky Diode
  
Resistor

    22Kohm, 1/4W Carbon film resistor
    2.2Kohm
    7.5Kohm
    10Kohm

Potentiometer

    5Kohm, Multi turn

Capacitor

    0.1uF X 2, Multi layer ceramic
    0.022uF(223) Film capacitor
    0.0012uF(122) Film capacitor
    220uF 25V Electrolytic capacitor
    330uF 16V Electrolytic capacitor

Coil  70uH, Toroidal