To counter this impact, some cars and trucks Use a torque converter using a lockup clutch. When the two halves from the torque converter get up to speed, this clutch locks them collectively, ensuring that the motor and gearbox spin at exactly the same pace and minimizing electric power decline. https://holdenzggfb.amoblog.com/5-tips-about-torque-converter-clutch-you-can-use-today-56075954