Battery charger circuit page 01 :
Nicad Battery Charger by IC LM317T
Battery charger 1
Power Supply 1(new)
Inverter and Converter 1
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Here is circuit Nicad Battery Charger.
It use IC LM317T ( Hot IC) Control Current less 300mA,
Size battery 2.4V,4.8V,9.6V.
It Low cost circuit.
Source : cew book