For paralleled connections, a blocking diode may be positioned in series with Every single module's string to circumvent present flowing backwards by way of shaded strings So brief-circuiting other strings. If cost would be the matter you received't budge on, look at Tesla. By all accounts, Tesla installs high-quality panels https://solarpanels43209.tokka-blog.com/34929712/the-single-best-strategy-to-use-for-solar-panels