Solar PV, inverters and batteries can involve hazardous DC and AC voltages, high fault current, arc flash, fire risk, battery short-circuit current, structural loading and work at height.
Melnti content is general education and decision support. It is not a construction drawing, protection study, structural assessment or site-specific electrical design.
Installation, inspection and service should be performed by appropriately qualified people in accordance with equipment documentation, applicable standards, utility requirements and local law.
Never bypass battery, inverter or electrical protection based on a public web article or calculator result.