Battery pack and charger platform for power tool systems including battery pack identification scheme
A battery pack and charger platform including a voltage coupling circuit comprising an input that receives an input voltage and an output that sends an output voltage, a voltage monitoring circuit having an input coupled to the voltage coupling circuit output and an output, and a power source having an input coupled to the voltage monitoring circuit output, the power source input receives an input voltage representative of a charge instruction.
1. A battery charger, comprising:
a first printed circuit board including a first plurality of through holes;
a second printed circuit board separated from the first printed circuit board and including a second plurality of through holes;
a plurality of metal wires coupling the first plurality of through holes of the first printed circuit board and the second plurality of through holes of the second printed circuit board; and
a terminal block comprising a housing and a plurality of contacts attached to the second printed circuit board.
2. The battery charger, as recited in claim 1 , further comprising a third plurality of through holes in the second printed circuit board, wherein the plurality of contacts is coupled to the third plurality of through holes.
3. The battery charger, as recited in claim 2 , further comprising a plurality of metal traces of the second printed circuit board coupling the second plurality of through holes and the third plurality of through holes.
4. The battery charger, as recited in claim 2 , wherein the metal wires are soldered to the first printed circuit board and to the second printed circuit board and the contacts are soldered to the second printed circuit board.
5. The battery charger, as recited in claim 2 , wherein the metal wires are soldered to the first plurality of through holes and to the second plurality of through holes and the contacts are soldered to the third plurality of through holes.