Electric and hybrid
Why Does an EV Battery Heat Up During Fast Charging?
Learn why an EV battery heats up during fast charging: internal resistance, high current, and how cooling systems manage battery fast charge heat.
Electric and hybrid Page 4
Batteries, charging, range and living with electrified cars.
Electric and hybrid
Electric and hybrid
What Is Air Cooling for an EV Battery? Airflow, Filters and Limits
Learn how EV battery air cooling works: the airflow path through the pack, why intake filters matter, and how temperature limits affect power and charging.
Electric and hybrid
What Is Liquid Cooling for an EV Battery?
Learn what liquid cooling for an EV battery is and how the coolant path, electric pump, and heat exchanger keep battery cells at a healthy temperature.
Electric and hybrid
Why Does an EV Battery Need Temperature Control?
Learn why an EV battery needs temperature control and how heat and cold affect charging speed, power output, and long-term battery life.
Electric and hybrid
What Is Hybrid Battery State-of-Charge Buffer?
Learn what a hybrid battery state-of-charge buffer is, why the control system reserves capacity, how it protects battery life, and what the dash gauge shows.
Electric and hybrid
How Does a Hybrid Restart After Coasting? Torque, Engine Speed and Feel
How a hybrid restarts its engine after coasting: how the control system coordinates torque, manages engine speed and keeps the transition smooth for the driver.
Electric and hybrid
Why Do Hybrids Sometimes Idle Their Engine?
Learn why a hybrid may run its engine while stopped: catalyst and engine warmup, battery charge management, and cabin heat or defrost demand.
Electric and hybrid
What Is a Belt-Starter Generator? Belt Drive, Restart and Regeneration Explained
Learn what a belt-starter generator is, how it connects through the accessory belt, restarts the engine smoothly, and recovers energy in mild hybrid vehicles.
Electric and hybrid
How Does a Mild Hybrid Assist Acceleration?
Learn how a mild hybrid's motor generator and small battery add torque during acceleration, how control logic decides when to help, and where the assist stops.
Electric and hybrid
Why Do Hybrids Have Different Brake Pedal Feel?
Learn why hybrid brake pedals feel different: how blended regenerative and friction braking, battery state of charge, and brake service shape pedal feel.
Electric and hybrid
What Is a Hybrid Power-Control Unit? Inverter, Converter and Cooling Explained
Learn what a hybrid power-control unit does: how its inverter drives the motors, how converters manage voltage, and why the electronics need dedicated cooling.
Electric and hybrid
How Does a Hybrid Manage Battery Temperature?
How hybrid battery temperature control works: the cooling path, the power limits set by software in heat and cold, and the alerts drivers may see.
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