September 19, 2024  

Don’t Ignore your EV’s “other battery”: Essential for Many EV Functions

July 19, 2024

Electric vehicles (EVs) are generally reliable, but like all cars, they have a 12-volt battery that requires regular maintenance. With the variety of electric vehicles and their differing operating systems, it's crucial to know how to care for your EV's 12-volt battery to prevent breakdowns.

British breakdown provider Start Rescue emphasizes the importance of maintaining the 12-volt battery, noting that a faulty or dead 12-volt battery is the leading cause of EV breakdowns.

Many electric car drivers are unaware that their EV has an essential 12-volt battery that supports the car's operations. In addition to the high-voltage battery that powers the motor, the 12-volt system is vital for functions such as door locks, ignition, air conditioning, safety equipment, and controls for the electric drivetrain.

Maintaining the 12-volt battery in an EV is straightforward. Start Rescue advises using your EV regularly to ensure both batteries are in good condition. Regular use helps maintain the 12-volt battery, which is crucial for all the important systems.

Lee Puffett, Managing Director of Start Rescue, says, "Charging the car regularly helps maintain the 12-volt battery, which charges differently than in an internal combustion engine (ICE) car. Pre-conditioning the cabin temperature while the car is charging is beneficial. Additionally, you can use a trickle charger if the car will be parked for extended periods, such as during a holiday."

Given the 12-volt battery's critical role, Start Rescue advises EV drivers to read the vehicle's manual for maintenance instructions or seek advice from the dealer.

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