Solar Power Optimizers are module-level power electronics (MLPE) devices installed on individual solar panels to maximize energy output. They condition the direct current (DC) electricity before sending it to the inverter, reducing the impact of shading, dirt, or panel mismatch on overall system performance. Power optimizers improve efficiency, enhance safety with rapid shutdown features, and allow panel-level monitoring for better system management. They are commonly paired with string inverters, offering a balance between cost-effectiveness and high energy harvest.