Based on a 555, this 80's American documentation circuit detects the voltage of a battery and can then disconnect the charger. The transistor may be a general purpose type.
November 2016 - The new self-adhesive surface temperature sensors of the Amphenol JS series can...
The input impedance of this circuit is about 700 k ohm and the output impedance is about 1 k ohm....
This circuit was obtained from an 80s factory manual. The integrated circuits used are uncommon...