I have a Sears deep-cycle lead-acid 12v battery already which I've only used once or twice a year for certain power applications. I was thinking of purchasing an identical model and wiring it in ...

A parallel circuit is way of connecting components on separate branches, so the current can take different routes around the circuit. The current is different in different parts of a parallel circuit.

Series and parallel circuits Current in series circuits Voltage across components in a series circuit Current in parallel circuits Voltage across components in a ...