I was not shown on screen that there was any issue with the 12v battery (until after the two truck driver charged it up a bit) and had just completed a small road trip the day prior. the 100F+ summers here probably didn't help it. Not bad 7/8 months in, but $280 is expensive for a 12v battery replacement. The 12V battery in the Model S performs many of the same duties as it would in any internal combustion engine (ICE) car.The connections to the 12V battery on a Model S appear to be a bit more complex than in a traditional ICE as seen in the following picture (source: TMC forum). Tesla notification to get 12V battery replaced. That being said, on average, most people only keep their cars for about six years, so for some people, this may be a moot point. So its definitely not bad performance, but theres always room for improvement. So Tesla uses whats known as Absorbent Glass Mat or AGM since Tesla doesnt need to turn over a gas engine and doesnt have an alternator and The design of the AGM battery is better suited for Tesla vehicles. See r/TeslaLounge for relaxed posting, and user experiences! How old is your car / 12V? At this point, out of warranty, should one just proactively replace the 12V.. any downside to that? This is particularly important if you are not planning to drive Model 3 for several weeks. A forum for discussion of the Tesla Model 3 Electric Vehicle, Press J to jump to the feed. The deal holds that L&F will supply high-nickel cathode materials to Tesla from January 1, 2024 to December 31, 2025, according to the South Korean company. The A23 is a tiny 12v battery and about half the size of a AA battery. 4 - You can't unlock the car since 12v has died (unlocking needs the 12v). Jump to Latest Follow Please indicate the status of your 12V Battery 5+ Year Original Battery Votes: 0 0.0% 3-5 Year Original Battery Votes: 36 30.8% 0-3 Year Original Battery Votes: 33 28.2% 5+ Year Replaced After Warning Votes: 0 0.0% 3-5 Year Replaced After Warning The problem only appears on the LFP-powered vehicles because it inconsistently reports the real state of charge. Situations can arise in which you must leave Model 3 unplugged for an extended period of time (for example, at an airport when traveling). I've replaced the battery 3 times that i can remember and its usually about 1.5 years after i replaced it the last time. Once that happens you need to have the service center do the reset. The peak charging rate of the Battery may decrease slightly after a large number of DC Fast Charging sessions, such as those at Superchargers. I remember reading about 12V battery failures on the Model S, something Elon himself even commented on during one of the earnings calls. But honestly, if you are having a battery warning, I suspect the car will disable non critical power consumers. While Tesla vehicles have a large high-voltage battery powering the electric motors, they also still use a traditional 12V lead-acid battery to power many of the vehicles critical functions. The purpose of the 12V battery is to power electronics if your main battery runs out of juice or is disconnected due to an event. Damage As a thank you for your contribution, you'll get nearly no ads in the Community and Groups sections. By on the phone you mean on the Tesla app? The worst-case scenario is you dont live close to a service center and you will either need to, 1. drive a long distance to get the battery, 2. have it towed to the nearest service center, 3. schedule an appointment with mobile service. but since i have to pull the HV battery to replace the DC to DC converter and the fact that thing is stupid expensive I'm just rolling with it till it breaks fully. Doing so voids the warranty. 2 - Your 12v dies. If your close to one, just drive to it and theyll help you out. \_()_/. Get interesting investment ideas by Fred Lambert, ChargePoint Home WiFi Enabled Electric Vehicle (EV) Charger, Stay up to date with the latest content by, Electric Vehicle Price Guide best prices for dealers in the US, first supposed to be introduced in Model Y, World first! The failures we've seen to date are early-deaths, not due to expected aging. Do you value your experience at TMC? $26.09 with Subscribe & Save discount. weather events or has otherwise been submerged in water (especially in salt water), Learned this just yesterday. Understandably, $439 is going to be way too much for many and on top of that, its not OEM, which can also make some people uncomfortable. It weighs about 60% less than that of the Tesla OEM battery. Most Tesla owners are aware of the efficiency loss of the main lithium battery, particularly during colder winter months. Tesla Motors Club LLC (TMC) is an independent enthusiast organization and is not affiliated with Tesla Motors, Inc. or its subsidiaries. The 12V battery is a relatively inexpensive part in the Model S and is fairly simple to replace, but the bigger concern is why they seem to be failing so quickly. If you were to use this type of battery in a Tesla, it wouldnt last very long, at best, maybe a few months. Thats what Im doing now. WAIT 10 full minutes 6. I started getting the warning Tuesday last week and my mobile service isn't schedule until Tuesday next week. This is something that Tesla service can diagnose remotely. // Buying a Tesla or Solar? Its my Model Xs fourth 12v battery, but it is obviously not the best example considering its the highest mileage Model X in the world, with over 400,000 miles. For me this took place after 7 months and 18,000 miles of ownership. High voltage battery is a ok. My dad's gave no warning as well. The battery alone is approximately $85. If the 12v battery is dying due to natural causes, Teslas will display a message stating that your battery needs to be serviced. Tesla identified the problem as a calibration problem and moved to solve it with a software update. Additional perks are available depending on the level of contribution. It isnt a major issue for now but certianly something we should continue monitoring as concerned Model S owners. So tips I would do are: Learn how to correctly remove the front bumper circular plastic cover that allows access to POP the frunk should the battery die. Tesla service sent a tow truck and the driver jumped the 12v and the screens turned on and said to replace the battery lol. I dont trust it enough long term so I just drove to the SC. This is one of the reasons why a 12V battery was added to the gen 2 Roadster and every other Tesla up to this point. According to lots of user complaints, the 12-volt li-ion battery on vehicles equipped with LFP batteries can die in less than 20 minutes after the vehicle's main battery reaches a state of. Through Zalkon.com, you can check out Freds portfolio and get monthly green stock investment ideas. Dont be alarmed). Can Tesla fix the way the 12V battery is used with software updates alone? A little fooling later with the app and the charge cable, and I was greeted with many error messages to replace the 12v battery soon! I could see Tesla being able to extend battery life by better managing the charge of the 12-volt system just like they do for the main propulsion battery inside their vehicles. From my reading, I think they upgraded the quality of the battery in the earlier models but were still facing the same underlying design issue in the way the 12V is stressed. Essentially, your battery shouldnt need to be changed quite nearly as often and should essentially last the same amount of time as your main battery pack. I guess my concern is/was that I have read other reports and user reports on other forums that indicate that in some cases, its often hours and not DAYS between getting the warning alert and the vehicle not being able to be used? 1 year 11 months old and 39,579 miles and no signs of any issues. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. @Tesla now sending push notifications when 12V battery needs to be replaced! Fred is the Editor in Chief and Main Writer at Electrek. JavaScript is disabled. JavaScript is disabled. (Salvage vehicle) HV Battery contactors not closing due to crash event in VCfront. When the 12V battery starts getting low, the main battery pack will charge it by using the DC to DC converter, which is the only way it will be charged even when the car is plugged in. But that seems really weird and random that your USB ports dont work. This is why some owners change their 12V batteries every year, or on a 24-month basis to prevent showing up to a vehicle with a dead or drained 12V battery. Being 4.6 years out from delivery at this point, Im probably ok with the cost now, today vs. most likely a little bit later in time. It's good to hear the 12v brick issue is in the past. I got the warning a couple weeks ago. It was reported that Tesla had chosen a poor vendor for the 12V battery which impacted early Model S owners but apparently this issue is still happening across later production vehicles. Futhermore, the CEO teases that they will be more coming.. The Ohmmu battery is expected to be more efficient for two reasons: There is a big difference in price between the two batteries. Model 3 salvage rebuild. Photo by Zach Shahan, CleanTechnica. For a better experience, please enable JavaScript in your browser before proceeding. For example, over a two week period Like in most cars, the 12-volt battery system in Tesla vehicles powers the lights, media unit, windows, and more. If the 12V battery happens to fail, it will isolate the main battery pack from the car and prevent charging. I immediately made an appointment which was 2 weeks out. And I even have a dual Blackvue dash cam setup to record 24/7 (powered by the source behind the map lights). In Model S and Model X vehicles, especially earlier versions of the vehicles, the 12v battery is not easily accessible, and replacing it yourself can easily take more than hour. Don't leave important stuff in the car or in the glove box in case things go sideways at any moment. Use Canadian dollar instead. Insurance data released on Tuesday in China shows estimates of Teslas local sales in the country landing at 32,224, from the period of January 30 to February 26, 2023. Don't park the car at time restricted parking spots or hard to access tow truck locations. Not only that, but lead batteries have a limited cycle life. In my experience the system is looking at the voltage of the battery on a few cycles and sees when the voltage comes up. A DC-to-DC converter recharges the 12V battery from the main Tesla battery. This is new! Learn about lease, loan and cash payment options, warranties, electric vehicle incentives, gasoline savings and more. So if you drive a Tesla that is older than the new 2021 Model S or X, most likely, your 12-old battery is going to need to be replaced soon. Nov 2018 Model S 75D. Just like internal combustion vehicles, electric vehicles also have a 12-volt battery. Copyright 2006-2022 Tesla Motors Club LLC. 12 Volt Battery; has your Model 3 required a replacement? Had this happen, it wasn't a big deal, just went to my service center and they had it for an hour or two. CEO Elon Musk is teasing a fix to Teslas longstanding issue with its 12-volt batteries not lasting long inside its vehicles and more to come regarding the electric architecture. I thought I'd cross-reference a thread I made earlier this year when my low voltage message came across the IC: I've got a 11/13 built S85 with the MCU2 upgrade and have finally had the "12V battery low" message pop up after 112K miles. Hopefully, you learned a little bit about the batteries in your electric vehicles. I have a cheap, simple solution for you. Well, if you disconnect the 12 V supply, the contactors will open, disconnecting the HV pack. Because it has been reported by others that, changing their own 12V battery does not clear the warning so thus Well, if you disconnect the 12 V supply, the contactors will open, disconnecting the HV pack. These changes in the condition of the Battery are driven by battery physics and may increase the total Supercharging duration by a few minutes over time. The Ohmmu battery will set you back a whopping $439 with a four-year warranty. Weve earlier reported about Teslas recommendation to fully charge the LFP batteries on a regular basis. Tesla Service can handle the replacement at your location, but given the poor weather conditions here in New England, I opted to have them pick up my Model S and do the replacement in the comfort of their own Service Center. Unlike several other cars, Tesla is also able to warn that your 12-volt battery is about to die (pictured above), but many owners are getting that warning a bit too often. The driver charged the 12v battery and I was able to get the car out of the garage and onto the street where I opted to tow it (wasn't sure if 12v or the DC-DC charger was at fault). To ensure maximum driving range and Battery safety, the Battery charge rate is decreased when the Battery is too cold, when the Batterys charge is nearly full, and when the Battery conditions change with usage and age. Set the display brightness to a fixed 20%, usb devices are powered by 12v (think sentry mode writing to a usb stick). According to the report, Musk has been wooing former Alphabet DeepMind researcher Igor Babuschkin. I think you can do it with a 9V or any battery lastly, the car is 25 months old with 14K miles. Mine should be done shortly. The message received reads, 12V battery must be replaced soon schedule service., This is new! The swap took about 5 mins and the service tech showed me how to do it myself just in case I am no longer under warranty the next time it goes out. If your vehicle does not have an LFP battery, the high voltage Battery type is not specified. FREE delivery Thu, Mar 2. It was first supposed to be introduced in Model Y, but Musk had to delay the plan to bring the SUV to market sooner. Update: As Tesla hacker green points out, it is better to connect to the 12-volt system through the penthouse . Thats according to a push notification shared by Zack (@BLKMDL3). There is not a code that needs to be reset. For better long-term performance, avoid exposing Model 3 to ambient temperatures above 140 F (60 C) or below -22F (-30 C) for more than 24 hours at a time. Sounds easy enough. The Tesla 12V battery supplies more power on an ongoing basis but never has to make those huge current outputs because there are no spark plugs is no starter motor. Continue with Recommended Cookies. With a 10mm socket, loosen the nut and release the battery hold down from the top of the low voltage lead-acid battery by unhooking and sliding it back, taking care to ensure it does not slip into the vehicle. Depending on the severity of the issue, there may be a 2-3 week lead time before Tesla Service replaces the 12V battery. Model 3 has one of the most sophisticated battery systems in the world. This is, of course, only if you can actually drive your car. If you added anything additional to the service date that could be why you have such a far out date. evgoforth.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Additional perks are available depending on the level of contribution. The alert just stays on your screen and phone. The "12V Battery Needs Service" warning can indicate a number of problems and the only way to truly understand the reason for the alert is to call Tesla Service (they're available 247) and. The biggest topic of discussion in the Tesla community is the battery, in particular, concerns about degradation, but what tends to go under the radar is the 12V battery which is noticed until people start getting the alert that their 12V battery needs to be replaced. Multiple owners have reported this proactive stance in advance of a warning which is great to see. Within one week my car became unresponsive. Once the Li-Ion battery gets to 100% it will calibrate itself and the state of charge will be accurately reported. As an Amazon Associate, we earn affiliate commissions from qualifying purchases. Disconnect Negative (Black) terminal First (Make sure it doesnt make contact with metal); disconnect Positive (Red) terminal Second, 7. Tesla Model 3 12v Battery Warning. @Tesla now sending push notifications when 12V battery needs to be replaced! For a while now, Tesla has had a recurring issue with its 12-volt batteries, especially in Model S and Model X. Use my referral code to get 1,000 of supercharging credit or $250 credit: https://ts.la/raj92500 Lithium Ion 12v Battery for . If the DC to DC converter fails, the 12V battery wont be able to be charged. The range display in your vehicle is undergoing calibration. A feature that would be nice would be if the car monitored the 12v batterys health. Scheduled mobile service and they came to replace it a few days later. You left a little bit more educated and a little bit more knowledgeable on if your 12-volt should fail, you know exactly what needs to be done to replace that and why. I unplugged and replugged the 12v battery, and the car came back to life after about 10 minutes. Tesla Motors Club LLC (TMC) is an independent enthusiast organization and is not affiliated with Tesla Motors, Inc. or its subsidiaries. Hyundai's 2017 Ioniq PHEV started using a Lithium battery that could be charged with a button on the dash from the main pack. CAUTION If the Battery's charge level falls to 0%, you must plug it in. The OEM 12V battery is expected to last on average between two to four years, give or take, depending on how many charge cycles your battery has gone through. The NCA batteries do not suffer from this problem and usually, their state of charge reporting is accurate. efusco Moderator - Model S & X forums Moderator Mar 29, 2009 5,425 However, this doesnt seem to be the main cause of the 12V battery failures. This is important to me because in an ICE, I would hook up some jumper cables and drive to an auto store to replace it and diagnose other issues if they are present. Instead, it will be a lithium battery manufactured by a company called Ohmmu Batteries. There is a reason Tesla doesnt do this. For those of you, considering the Ohmmu battery but have it needed to replace your battery just yet, it actually might not be a bad idea to purchase it now and store it and keep it charged as Ohmmu recommends which is about every six months. Asking since the first available service date is more than a month from now. According to lots of user complaints, the 12-volt li-ion battery on vehicles equipped with LFP batteries can die in less than 20 minutes after the vehicles main battery reaches a state of charge of less than 10%. Another interesting point to note is that Tesla may call you before you even see 12V battery service warning. Sometimes there isn't a warning. I just had my 12v die on me two days ago on my 2018 Model 3 as well. Under no circumstances should you open or tamper with the Battery. Can the 12v battery be jumped with one of those small 18 Ah jump starters? I don't think there's a good answer for when a total failure occurs. NewbyMaybe Newby1Kenowby May 3, 2021 643 211 Florida Feb 16, 2023 #2 Sometimes there isn't a warning. There may also be some hesitation to getting anything other than OEM, but considering the Model S and X refresh has a lithium 12V battery, its most likely only a matter of time before the 3 / Y follows suit. 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