Patent ID: 7741733

Claim:
A modular battery control apparatus, comprising: a first stationary contact adapted for electrical communication with coach loads and a battery charger; a second stationary contact adapted for electrical communication with a coach battery; a third stationary contact adapted for electrical communication with a chassis battery; a fourth stationary contact adapted for electrical communication with chassis loads and an alternator; a first solenoid; a first movable contact attached to said first solenoid, said first movable contact adapted to abuttingly engage and disengage said first and second stationary contacts; a second solenoid; a second movable contact attached to said second solenoid, said second movable contact adapted to abuttingly engage and disengage said second and third stationary contacts; a third solenoid; a third movable contact attached to said third solenoid, said third movable contact adapted to abuttingly engage and disengage said third and fourth stationary contacts; sense and control means for selectively activating and deactivating said first, second, and third solenoids; and a user-controlled switch panel adapted to communicate with said sense and control means.