When it comes to owning a vehicle, unexpected challenges can arise, irrespective of the brand or model.
One issue that many Tesla owners face is the Low Voltage Battery Warning.
In this article, we’ll dive into the intricacies of this particular problem, exploring its root causes and effective solutions to ensure your vehicle runs smoothly.
If your Tesla is not older than 4 years or has not been driven 50K miles (whichever comes first), your 12-volt battery is under warranty. In that case, you can replace it without any cost by claiming the warranty from Tesla.
What Causes Tesla Low Voltage Battery?
The low voltage battery warning in a Tesla can be triggered by several factors. Some of the common reasons include:
1. Age and Wear
Over time, all batteries degrade, and the small 12-volt battery in a Tesla is no exception.
As it ages, its capacity decreases, which can lead to voltage drops. The 12-volt battery in a Tesla is responsible for powering various systems in the car, including windows, lights, wipers, mirrors, etc.
When the voltage drops too low, it can cause these systems to malfunction, triggering the low-voltage battery warning.
2. Parasitic Drain
When a Tesla is parked and not in use, it still consumes some power to maintain various systems like the alarm, remote access, and more.
This parasitic drain can slowly deplete the 12-volt battery if the car is not driven regularly.
If you leave your Tesla parked for an extended period without driving it, the 12-volt battery’s charge can diminish, leading to the low voltage battery warning.
3. Extreme Temperatures
Extreme cold or hot weather can affect the performance of the 12-volt battery. High temperatures can accelerate the degradation of the battery, while cold temperatures can reduce its efficiency.
Batteries generally perform best within a specific temperature range, and exposure to extreme conditions can cause them to function suboptimally.
4. Faulty Components
In some cases, a malfunctioning component or software glitch within the Tesla can cause excessive power draw on the 12-volt battery.
These issues can be challenging to diagnose and may require the expertise of Tesla service technicians to resolve.
Can I Fix Tesla Low Voltage Battery?
In some instances, you may be able to temporarily address a low-voltage battery issue by jump-starting the car or using a portable charger. But you can not fix a battery that is dead.
You can recycle the battery or revive it by going through a tough industrial process that involves using heavy machinery and acids.
So, I recommend discarding the battery to the recycle bin and getting a new one for your Tesla.
How Long Can I Keep Low Voltage Battery?
The duration you can continue driving with a low-voltage battery largely depends on the severity of the issue and your driving habits.
In some cases, the low-voltage battery warning may allow you to continue driving for a few weeks, while in others, it may result in your Tesla being immobilized.
If you encounter a low voltage warning while driving, it’s essential to take immediate action.
Continuing to drive with a severely depleted 12-volt battery can lead to more significant problems and potential vital vehicle features shutdown. Sometimes, it can leave you stranded on the road requiring immediate replacement to drive.
In the best-case scenario when you can continue driving with a low-voltage battery on your Tesla, it will not allow you to update the software.
So, I would say you can continue the trip when the issue pops up on the touch screen, but replace the battery as soon as you get back home.
How Much Does it Cost To Replace Low Voltage Battery?
The cost of replacing the low-voltage battery in a Tesla can vary depending on the model and where you get the replacement.
Generally, the 12-volt battery replacement cost can range from 80 to 120 USD. The price can also be influenced by factors such as labor costs, location, and whether you choose to go through Tesla’s official service centers or opt for third-party solutions.
It’s essential to consult with Tesla service or a certified technician to get an accurate estimate for your specific situation.
Ways to Lengthen Replaced Tesla Battery Life
After replacing the low-voltage battery in your Tesla, you can take several steps to help extend its lifespan:
1. Regular Use
One of the most effective ways to prevent issues with the 12-volt battery is to drive your Tesla regularly.
Regular use helps keep the battery charged and prevents parasitic drain from significantly affecting its capacity.
If you plan to leave your Tesla parked for an extended period, consider taking it for a short drive to keep the 12-volt battery in good condition.
2. Climate Control
Extreme temperatures, both hot and cold, can stress the 12-volt battery. High temperatures can accelerate the battery’s degradation, while cold temperatures can reduce its efficiency.
To mitigate these effects, avoid exposing your Tesla to extreme weather conditions when possible.
Use climate control settings to maintain a comfortable temperature inside the car, which can help reduce the strain on the battery.
3. Maintenance
Regular maintenance is crucial for the overall health of your Tesla, including the 12-volt battery.
When you take your Tesla in for routine service appointments, technicians can check the condition of the 12-volt battery and ensure it’s functioning correctly.
Timely maintenance can help detect and address issues before they lead to a low voltage warning.
4. Battery Tender
If you plan to park your Tesla for an extended period, consider using a battery tender or maintainer.
These devices are designed to keep the 12-volt battery charged and in good condition.
They can be especially useful if you store your Tesla in a garage or a location where it won’t be driven for an extended time.
5. Software Updates
Tesla regularly releases software updates that can include optimizations to improve the efficiency of the 12-volt battery.
Keeping your Tesla’s software up-to-date ensures that you have the latest improvements and bug fixes, which can contribute to the overall health of the battery.
Wrap Up
A Tesla low voltage battery warning can be a concern for owners, but with proper maintenance and timely attention to the issue, it can be resolved.
Regularly driving your Tesla, monitoring for warning signs, and following best practices for battery care can help ensure that your electric vehicle remains reliable and efficient for years to come.
If you encounter persistent low-voltage battery issues, seeking professional assistance from Tesla service or certified technicians is the recommended course of action.
Remember that the 12-volt battery plays a crucial role in the operation of various systems in your Tesla, and addressing any issues promptly can prevent more significant problems down the road.