In series wiring solar panels, panels are linked in a chain: the positive (+) terminal of one panel connects to the negative (-) terminal of the next, creating a single pathway for current. Effect on Output: Voltages add up (e., three 12V panels yield 36V), while current (amps). To achieve such a large power, we need to connect N-number of modules in series and parallel. Total voltage is equal to the sum of individual voltages. Solar cells in series are termed string. Once we've got that covered, I'll also explain the difference between these two configurations in Voltage (Volts) and Current (Amps) and provide a real-life example. This ensures safety, efficiency, and maximum energy output from your system. In this guide, we focus on.