log σ ∝ 1/(T-T 0 ) where T 0 is the Vogel temperature . T 0 is experimentally found ca. 50 K below the glass transition temperature. The conduction of ions in polymer electrolytes is commonly coupled to the segmental motion of polymer chains and it is generally accepted that a low T g is necessary for polymer electrolytes with high conductivity. Therefore, determining the T g provides critical insights into the temperature range over which polymer electrolytes can maintain their structural integrity and functionality, guiding the selection of appropriate operating conditions. Molecular Dynamics (MD) simulations have emerged as indispensable tools for probing the molecular interactions of polymer electrolytes. They provide detailed insights into their dynamic behavior and help understand their complex structure-property relationships. One central aspect to MD simulations is the choice of force field, which defines the mathematical form and parameters governing inter-molecular interactions. The accuracy of force fields is crucial for faithfully reproducing polymer electrolytes' thermal, structural, and dynamical properties. However, force field parameters are often optimized to a set of desired properties and available experimental results. The computed values of T g in polymer systems derived from MD simulations tend to exhibit an overestimation averaging between 80-120 K when compared to experimental measurements . This disparity can be attributed to limitations in force field parameters or choices in cooling rates , with MD simulations operating on a significantly faster timescale (10 9 K/s) compared to experiments (10 -2 -10 -1 K/s). Thus, utilizing scaled or normalized temperatures with respect to T g , i.e., T -T g , in MD simulations is recommended when comparing the results with experiments 7 .