What are the advantages of running two 12v car battery's in parallel with an amp behind them?
example 1: in a mobile; one being to the alt (main battery), the other parallel to the trunk with an amp?
example 2: on a base; a charger to 12v battery parallel to second battery to amp?
amp used; 4 pill (never mind the brand).
battery will not be inside room or shack, outside only in box.
battery mobile will be in battery box with vent to outside air.
example 1: in a mobile; one being to the alt (main battery), the other parallel to the trunk with an amp?
example 2: on a base; a charger to 12v battery parallel to second battery to amp?
amp used; 4 pill (never mind the brand).
battery will not be inside room or shack, outside only in box.
battery mobile will be in battery box with vent to outside air.