Eaton Introduces Portfolio of Battery Pack Vent Valves for Electrified Vehicles Power management company Eaton announced its eMobility business has introduced a single-stage vent valve for electrified vehicle (EV) batteries. The valve acts as an overpressure relief for the vehicle’s battery pack. “As the electrified vehicle market continues to grow, battery packs are becoming progressively more powerful and create more heat. OEMs are designing new safety systems to ease