Wiring Solar Panels in Series vs Parallel: Which Is Better?
When installing solar panels in series, the voltage adds up, but the current stays the same for all of the elements. For example, if you installed 5 solar panels in series – with each solar panel rated at 12 volts and 5 amps – you''d still have 5 amps but a full 60 volts. There are some major benefits to connecting solar panels in series.