  This article introduces a novel Maximum Power Point Tracking (MPPT) algorithm
and cost-effective hardware for long-term operational stability measurements in
perovskite solar cells (PSCs). Harnessing the untapped potential of solar
energy sources is crucial for achieving a sustainable future, and accurate MPPT
is vital to maximizing power generation. However, existing MPPT algorithms for
classical photovoltaic technology lead to suboptimal performance and decreased
energy efficiency conversion when applied to the most stable perovskite
devices, the so-called triple mesoscopic hole transport material (HTM)-free
metal halide PSCs. To address this challenge, our research focuses on
developing an innovative low-cost hardware solution for research purposes that
enables massive long-term stability measurements, eliminating the need for
expensive and complex stability monitoring systems. Our galvanostatic MPPT
algorithm ensures continuous and precise tracking achieving superior
operational performance for high hysteresis PSCs. The suggested enhancements
bear significant implications for the extensive integration of perovskite solar
cell technologies, particularly those dependent on power optimizer devices.
