Tesla Model x Low Voltage Battery Replacement

Tesla Model x Low Voltage Battery Replacement

The Tesla Model X is a high-end SUV with innovative tech features managed by a large touchscreen infotainment system up front and two tiny screens in the back. What is Tesla Model x Low Voltage Battery Replacement?

Your Tesla’s lights, doors, windows, and touchscreen are all powered by this 12-volt battery. You will not be able to use you to pay for auto insurance, but it will need to be replaced once every few years. This is the price range for a replacement and some advice on replacing the battery yourself!

Signs And Symptoms Of A Failing Tesla Model X Low Voltage Battery

Several owners are already on their third 12V battery. Around the one-year mark, numerous others are reporting failures. The 12V battery in an ICE automobile typically lasts for around four years before needing to be replaced, which begs the question of why Tesla 12V batteries are failing.

The DC-to-DC converter, which charges the 12V battery through the main battery pack, has experienced several failures. The alternator of your conventional ICE car can be compared to that converter. This does not primarily cause the failures of 12V batteries. The current theory holds that the dependability concerns are brought on by the vampire load and the high stress placed on the 12V. If you are willing to know every detail on this, then this blog will guide you properly.

There might still be a design flaw with Tesla.

According to what I’ve read, the earlier versions’ batteries may have been updated, but the way the 12V is pressured by design still needs to be solved. Can Tesla change how the 12V battery is used solely through software updates? Fortunately, they are taking care of all the replacements while we wait; we don’t know what happened. If they can’t fix it remotely with software upgrades, a potential “recall” of the plant may occur (and I use this term loosely).

In either case, Tesla should be more forthcoming about these problems and inform owners of its steps to address the underlying issue.

Early Model S users were reportedly affected by Tesla’s poor choice of a 12V battery source, but this problem appears still present in later manufacturing models. The 12V battery service indicator was delivered to my Model S and several others, which a person knows well.

Tesla Model x Low Voltage Battery Replacement Cost

how to manage range anxiety in electric cars?

The current leader in electric vehicles is Tesla. At its own game, it defeated several automakers with over 100 years of expertise. Even if electric vehicles are the way of the future, they are nonetheless susceptible to harm and deterioration.

Despite not requiring yearly oil changes or radiator coolant refills, the battery pack in electric cars eventually deteriorates. Replace it when that occurs so you may continue to use your car, whether caused by an accident or normal wear and use.

The price range for new battery modules is $5,000 to $7,000. However, the number of modules per pack varies across different Tesla models. For instance, the Roadster and Model S P85, two older Tesla vehicles, feature 11 and 16 modules, respectively. While more recent models, like the Model 3, and Model S plaid, use four to five specific modules.

Considering this, a replacement Tesla battery should cost between $20,000 and $35,000. These costs, however, might go up since they exclude labor and ancillary costs (like other parts). The cost of the battery ranges from about 50% to 80% of the price of the car, with the cheapest Tesla coming in at $42,990 before subsidies.

In order to increase battery life, certain industrial chargers intentionally reduce the charge voltage threshold. Table 2 shows the predicted capacities with and without a saturation charge when charged to various voltage thresholds.

3.80~40%120 min~65%
3.90~60%135 min~75%
4.00~70%150 min~80%
4.10~80%165 min~90%
4.20~85%180 min100%

Preventative Maintenance For Your Tesla Model X Low Voltage Battery

The problems are all the same in one way or another. They are virtually always caused by damaged side rail vents allowing moisture to enter the battery pack (which are supposed to be sealed one-way vents for safety purposes). The top front of the battery pack cover’s rust and corrosion from moisture owing to years of standing water due to the design of the older automobiles’ air conditioning condensate drain lines, which drain directly on top of the battery pack.

Knowing how to effectively care for the Tesla battery is crucial because its range is a game-changer for the electric vehicle market. Every 12,500 miles or once a year, whichever comes first, Tesla advises that you bring your Tesla vehicle to the closest Service Centre for maintenance work. It requires little maintenance other than replacing the battery coolant at 50,000 miles.

Depending on the Model, the Tesla battery pack weighs 1,200–1,400 pounds or roughly 26% of the vehicle’s overall weight. The car now has exceptional stability thanks to the centre of gravity being raised 44.5 centimeters off the ground. Seven thousand one hundred four lithium-ion battery cells make up the battery itself.

Can We Expect Improvements In Tesla Model X Battery

Batteries, a crucial component of electric vehicles, have become much more affordable in recent years. Representing a decline of about 19% annually. By 2023, average costs are predicted to approach the $100 mark. What advantages does battery pricing offer EV industry leader Tesla then?

Given its greater volumes, superior negotiating position with suppliers, and distinctive battery cells and architecture, Tesla remains the cost leader in the EV industry. It is reasonable to infer that the company’s battery costs are roughly 20% lower than the market average. Thus, the cost per kWh of capacity would be around $110. Battery costs per vehicle are around $7,700, down from roughly $21,000 in 2015, assuming that the typical Tesla has a battery capacity of about 70 kWh.

The Model S, Tesla’s highest-range vehicle, can travel up to 402 miles on a single charge. That will soon change when Tesla bases its future fleet on a revolutionary cell dubbed the 4680, which the firm claims will offer a 16 percent longer range in addition to power and energy outputs many times greater than current batteries.

The Tesla batteries are made to endure for ten years or longer, and there are techniques to maintain your battery’s peak performance throughout its lifespan. This includes, among other things, maintaining a consistent, modest pace, avoiding full stops and brakes, and turning off the air conditioning. 

What Do You Need To Know About Low-voltage Battery Replacement?

Replace your automobile battery if your mustimeter reads anything less than 9.5 volts. On a 12-volt battery, anything below 12 volts indicates that it needs to be recharged.

You should be aware that not all electrical issues are caused by batteries. Alternator, starter, or even engine issues could be at blame.

Measure the voltage output of the car battery using the multimeter to begin your inquiry.

Before completely replacing it, try charging it if the voltage is low. Get it load-tested at an auto shop if it still struggles to start. It’s probably not a battery issue if the battery voltage stays after recharging for 12 to 24 hours but then declines as you drive. If you smell something unpleasant, it can be a malfunctioning catalytic converter or poisonous gases being released by an overcharged battery.

Remember to look for corrosion on the terminals as well!

Finally, remember that batteries can withstand mild conditions much more easily than harsh climates (hot, cold, and extremely dry).

Even though many batteries survive much longer, experts advise replacing the battery every three to four years. If you require a new battery, a replacement should cost about $200, including the labor and parts.

Software Updates And Fixes For Tesla Model X Low Voltage Battery Issues

a resolution to Tesla’s long-standing problem with its 12-volt batteries failing prematurely inside its vehicles, as well as additional developments relating to the electric architecture.

As in most cars, the 12-volt battery system in Tesla automobiles powers the lights, media unit, windows, and other things.

Tesla has been experiencing recurrent problems with its 12-volt batteries, particularly in the Model S and Model X.

They frequently expire rather quickly or appear to do so more quickly than in other vehicles.

How quickly depends on various elements, such as the environment and how frequently you drive the car—driving it more frequently can lengthen its lifespan.

Unlike many other vehicles, a Tesla can alert you when your 12-volt battery is nearly dying (see the image above). Still, many owners are receiving that alert far too frequently.

Even though there is already a warning, Musk feels it may be improved. It says there will soon be “significant software enhancements” to Tesla vehicles that would increase the lifespan of their 12-volt batteries.


The Model S’s 12V battery is a reasonably cheap and straightforward component to replace, but the bigger question is why they appear to be wearing out so quickly. However, it isn’t a serious problem at the moment. Model S owners should continue to keep an eye on it.


What is the low-voltage battery in a Tesla Model X?

The Model 3 and Model X have 350V, the Model S has 375V, and the Model Y has 400V. Depending on the size of the battery, hybrid electric car batteries have voltages between 100 and 300V.

What is the low-voltage battery replacement cost for a Tesla Model X?

Costs for new batteries might range but can begin around $13,000. Model X: A replacement battery for this SUV costs at least $14,000. This six-seater Tesla model has the highest starting price and costs $103,990.

How long does replacing the low-voltage battery in a Tesla Model X take?

How frequently should a Tesla battery be changed? Few electric vehicles need new batteries, but according to Elon Musk, Tesla batteries have a lifespan of 1,500 battery cycles or 300,000 to 500,000 miles. On average, someone who drives 40 miles daily translates to 22 to 37 years.

What steps can I take to extend the life of my Tesla Model X’s low-voltage battery?

Use a low-voltage charger to continue your regular, daily charging regimen (i.e., Wall Connector at your home). Do not let the battery’s charge drop too low. Use DC Fast Charging (also known as Supercharging) only, when necessary, like on lengthy road trips.

Posts Related to Electric Cars and Batteries

  1. Tesla Battery Replacement Life
  2. What is Biden’s Law for Electric Vehicles? A complete guide 2024
  3. Why isn’t Duracell or Energizer producing/manufacturing electric car batteries?
  4. Tesla Tire Pressure Model 3 Warning – Guide 2024
  5. Why Doesn’t Tesla Use Durathon’s Batteries?
  6. How Long Can a Tesla Car Keep its Fully Charged Battery if Not Used?
  7. 4680 Battery Tesla Range (Model S, Model X, Model Y, Model 3) -Real Testing Data –  Complete Guide 2024
  8. Tesla Model S Wobble Problems And Solution- Complete 2024 Guide
  9. Tesla Model X Steering Wheel Vibration
  10. Why I Bought Portable Tesla Car Charger, My Experience?
  11. How To Deal With Tesla Battery Degradation (Model X, Model S, Model Y)
  12. What is The Real Range for Tesla Model 3 Standard Range Plus?
  13. Open Frunk On Model X With Dead 12v Battery

About Author

Bharat Suthar

I am principal creator of electriccarexperience.com. I like riding Electric Car, UTV in mountains and Terrain, Also I try to share all the real life experience here in the site.I am really dedicated to write about my experience. I love doing all the outdoor activity including riding electric car, dirt biking and hiking.

Recent Posts