Ni-Cad Battery Charger

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When contributor James E. Bialy sent us a slick design for a AA ni-cad battery charger that works off an automobile's electrical system, we were impressed . . . but we just weren't able to leave well enough alone.
When contributor James E. Bialy sent us a slick design for a AA ni-cad battery charger that works off an automobile's electrical system, we were impressed . . . but we just weren't able to leave well enough alone.
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Chart: Bill of materials for Ni-Cad battery charger.
Chart: Bill of materials for Ni-Cad battery charger.
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Diagram: Circuit board for Ni-Cad battery charger.
Diagram: Circuit board for Ni-Cad battery charger.
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Diagram: Parts layout Ni-Cad battery charger.
Diagram: Parts layout Ni-Cad battery charger.

You can kiss wasteful disposable batteries goodbye by building your own less-than-$6.00 ni-cad battery charger. (See the ni-cad battery charger diagrams in the image gallery.)

The common battery is a prime example of a product that
usage transforms all too quickly from a valuable device
into a piece of hazardous waste. And much of this

  • Published on Nov 1, 1985
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