The team corrected the failed peel-and-stick adhesive used on the sensors by wedging soft packing foam between two batteries, forcing the temperature sensor against the side of one of the batteries. Though rudimentary, this mechanical fix can also be used as a redundant measure instead of relying only on the sensor’s adhesive. It also insulates the sensor from the ambient airflow, making the measurement of the battery electrolyte’s temperature more accurate and less affected by other heat sources