In this charger the current is limited by the incandescent lamp. Lamps from 40 to 100 W can be used and even connected in parallel, depending on the load.
This circuit generates voltages of tens of thousands of volts for projects such as electrostatic filters...
This circuit was found in an old American documentation. The operational used is of the...
Rechargeable Nicad batteries type AA, C or D can be recharged with this circuit, which is nothing...