Battery system control circuit

Claim 1

IN A BATTERY SYSTEM HAVING A LOAD AND A BATTERY CHARGER CONNECTED ACROSS THE BATTERY, IN COMBINATION, A COUNTER CELL CONNECTED HAVING FIXED CONTACTS CONNECTED TO OPA BYPASS CONTACTOR HAVING FIXED CONTACTS CONNECTED TO OPPOSITE ENDS OF SAID COUNTER CELL, A MOVABLE CONTACT AND A WINDING, A RELAY HAVING FIRST AND SECOND FIXED CONTACTS AND FIRST AND SECOND CONTACT ARMS AND A WINDING, A VOLTAGE DIVIDER AND A FIRST RESISTOR CONNECTED ACROSS THE LOAD TERMINALS, A SECOND RESISTOR AND A ZENER DIODE CONNECTED ACROSS THE LOAD TERMINALS, THIRD AND FOURTH RESISTORS, A FIRST TRANSISTOR HAVING A BASE ELECTRODE CONNECTED TO SAID VOLTAGE DIVIDER, AN EMITTER ELECTRODE CONNECTED TO A POINT BETWEEN SAID SECOND RESISTOR AND SAID ZENER DIODE, AND A COLLECTOR ELECTRODE CONNECTED TO ONE SIDE OF THE LOAD THROUGH SAID THIRD AND FOURTH RESISTORS, COUPLING MEANS, A SECOND TRANSISTOR HAVING A COLLECTOR ELECTRODE CONNECTED TO SAID ONE SIDE OF THE LOAD THROUGH SAID WINDING OF SAID RELAY, AN EMITTER ELECTRODE CONNECTED TO THE OTHER SIDE OF THE LOAD AND A BASE ELECTRODE CONNECTED TO SAID FOURTH RESISTOR THROUGH SAID COUPLING MEANS, MEANS FOR CONNECTING ONE END OF SAID BYPASS CONTACTOR WINDING TO SAID OTHER SIDE OF THE LOAD, MEANS FOR CONNECTING SAID OTHER END OF SAID BYPASS CONTACTOR WINDING TO SAID FIRST FIXED CONTACT OF SAID RELAY, MEANS FOR CONNECTING SAID FIRST CONTACT ARM OF SAID RELAY, MEANS FOR CONNECTING SAID FIRST CONFEEDBACK RESISTOR CONNECTED BETWEEN THE BASE ELECTRODE OF SAID FIRST TRANSISTOR AND THE BASE ELECTRODE OF SAID SECOND TRANSISTOR, MEANS FOR CONNECTING SAID SECOND FIXED CONTACT OF THE RELAY TO A POINT BETWEEN SAID VOLTAGE DIVIDER AND SAID FIRST RESISTOR, MEANS FOR CONNECTING SAID SECOND CONTACT ARM OF THE RELAY TO SAID ONE SIDE OF THE LOAD WHEREBY SAID FIRST RESISTOR IS INSERTED IN THE CURRENT PATH BETWEEN SAID VOLTAGE DIVIDER AND SAID ONE SIDE OF SAID LOAD WHEN THE RELAY IS DE-ENERGIZED.