Battery Energy Storage Systems (BESS)
The solar module assembly process combines photovoltaic (PV) cells with other components into a durable, weatherproof, and ready-to-install panel. The procedure involves multiple steps, from connecting individual cells into strings to framing and testing the final product.


Components of a solar module
The following materials are assembled to create a finished solar module:
Solar cells: Thin silicon wafers that convert sunlight into electricity.
Encapsulant: A polymer sheet, typically ethylene-vinyl acetate (EVA), that seals and cushions the solar cells.
Backsheet: A protective polymer or glass sheet on the back of the module that provides electrical insulation and moisture protection.
Glass cover: A sheet of tempered glass that protects the cells from environmental damage.
Frame: An aluminum frame that provides structural rigidity and protects the edges of the laminate.
Junction box: An electrical housing attached to the back of the panel that contains bypass diodes and provides a connection point for wiring.