+**5bb** refers to a common design in [solar cells](/wiki/solar-cell), indicating the presence of five electrical [busbars](/wiki/busbar) on its surface. These metallic strips efficiently collect the generated current, minimizing resistance losses and improving overall energy conversion. It signifies a refinement in photovoltaic architecture, enhancing module performance and reliability.
+## See also
+- [Photovoltaics](/wiki/photovoltaics)
+- [Renewable Energy](/wiki/renewable-energy)
+- [Electricity](/wiki/electricity)
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