nissan leaf battery degradation chart

This brief outlines the technological and policy advances still needed for EVs to help drive the transition to a sustainable global energy future Found insideThis book provides comprehensive coverage of Lithium (Li) metal anodes for rechargeable batteries. Battery Degradation Two-Year Status Report: 2015 Nissan Leaf We recently passed the two-year mark on our 2015 Nissan Leaf, a battery electric vehicle (EV). A 35kWh battery pack incorporated with electrical, mechanical and thermal management components was designed, manufactured and integrated. The lack of thermal management is rather less excusable in my view. That’s relly big drop. This is something that has interested me both as a buyer, then an owner, of EVs but also professionally. The alarming part of that is that is that the Leaf had 2500km on it in December, and now has 4500km on it, so it’s barely been used. I have a 2013 leaf sv. Then charge it to 100% at home, and let the balancing periods to happen. Battery Degradation Two-Year Status Report: 2015 Nissan Leaf Published on November 1, 2016 November 1, 2016 • 15 Likes • 8 Comments This study follows our previous study of the Nissan Leaf battery performance. We have a 2016. For example, after 3 years or 37,500 miles, the chart for the 2011-12 LEAF estimated 86.68% capacity. This book is based on the authors’ current research in vehicle systems and includes chapters on vehicle propulsion systems, the fundamentals of vehicle dynamics, EV and HEV technologies, chassis systems, steering control systems, and ... Summing up, if you really want to take care of your battery try to limit charging to 70-80 % of its capacity, even if it means that sometimes you’ll need to discharge it almost till empty. Bonus, second picture shows our driving habits as … In practice, more widespread charging availability makes battery degradation even less of an issue. Lithium-ion Battery Coverage 30 kWh Battery 96 months / 100,000 miles Seat Belt 120 months/unlimited mileage 1 See the express terms of the appropriate warranty printed in this booklet, which terms control if there is a conflict with this chart. Nissan warrants the Leaf’s battery against defects for 8 years/100,000 miles. It projects its life for at least 10 years, with the expectation that you’d have around 60-70 percent battery life at that point, depending on usage patterns. The measurements were made by using a OBD2 scanner with the Leaf Spy app. Question is whether to pursue a 2018. I'd be tempted to get one at that price (my Leaf is already down 4 bars), if I thought it would last. Specifically, if a LEAF lost four bars on its capacity gauge before 60 months or 60,000 miles (whichever came first), Nissan would repair or replace the battery for free. Although there is a lot of scatter, the message is that you can expect 2 to 3% capacity drop per year in normal use, according to the “SOH, State of Health” that the battery BMS reports. Here’s an example of a 2013 LEAF at 100,000 miles with little capacity lost. Moreover, having the battery sitting at 100 % SoC is worse with the 30 kWh version than it’s in the 24 kWh variants. Low Batt. My expectation is that the adoption of electric transportation will be a factor for peace and democracy all over the world. The average American will drive far less than the maximums in a single day, so the degradation will likely only affect you so much. The factors that influence the lifespan include your driving habits, climate, and how frequently the battery is … Also, has Leaf Spy itself had any insights into how Leaf Spy performs with 30kWh batteries? 11 Search Popularity. There’s 3 data sets here, the red is “Gen 1” or Japanese-built Leafs, from 2011-2013. Time will tell us more about how the new Nissan Leaf battery is faring. There might also be a thing where the Leaf doesn’t update the SOH when it’s cold in the winter, but I’m not entirely sure about the details of that. This takes around 12 hours to charge from a low battery warning to 100%. The measurements were made by using a OBD2 scanner with the Leaf Spy app. Big mistake for me. I bought my first leaf in France, and had a trip to Hungary ~2.000kms. I have 155000km (97000 miles) done in my e-NV200, in 23 months. – As the first couple years of Leaf sales rolled by people in hot climates started to complain about battery degradation. Glad I leased my 2017 Leaf instead of buying it. In March 2018, Flip the Fleet (FTF) published a paper on the reported Customers were rightfully unhappy with a car that had rapidly decreasing range. An other fact (much more interesting): Starting with a thorough overview of the current electric vehicle and battery state-of-the-art, this work describes dynamic software tools to assess the impacts resulting from the electric vehicles deployment on the steady state and dynamic ... The 2015 Nissan Leaf Offers Pure Electric Power. ( Log Out /  The previous model had 10 km less range, 3% slower acceleration and was 8% less energy efficient. It is 80% now, see?”. Found insideCost, Effectiveness, and Deployment of Fuel Economy Technologies for Light-Duty Vehicles estimates the cost, potential efficiency improvements, and barriers to commercial deployment of technologies that might be employed from 2020 to 2030. After that (and some QCs), SOH jumped to 102%, Hx=104%. It’s now 21 months old. https://flipthefleet.org/resources/benchmark-your-leaf-before-buying/. it’s only 3 miles, but Is it too early for battery degradation? this is a unique opportunity we had to get batteries that are testing 70% or higher of original capacity. (at least for Europe market) /: Henrik. Found insideThis book surveys state-of-the-art research on and developments in lithium-ion batteries for hybrid and electric vehicles. usually leaf batteries become available after they reach 65% degradation levels from nissan but this was a one time deal and the lot was tested and verified by two facilities. And an other data: The Bolt EV can run another 70,000 miles before the loss affects your true driving range. Nissan Establishes Degradation Guideline On October 4 th 2012 Andy Palmer, an executive at Nissan stated the following regarding anticipated LEAF battery durability during a staged and formal interview on camera (Video available upon request). Glad it’s a lease, but that was the plan anyway. But wait, there’s a catch…, A year with a used Tesla Model S in the UK, Electric Cars – a resource for teachers in 2020, A diary – Buying a used Model S from Tesla in the UK, Follow simonselectriccar on WordPress.com. I drove a Leaf for 3.3 years before getting my 2013 Volt. What’s New. NimbleFins gathered data on the age, mileage and battery capacity bars of Nissan Leaf cars from Plug In America’s Leaf … I will revisit this point below. Let the source is not one hundred percent reliable. This value should work: 41. And module design resulting in poorer heat management is not the only reason. Can You guide me where in european 2017 tekna i can find 80% limit? this is a unique opportunity we had to get batteries that are testing 70% or higher of original capacity. The best discount rate is $880; Choosing higher $1,000 deductibles can save around $228 every year; The estimated price for a 40-year-old good driver with $500 deductibles is $1,554 ; Using more expensive low deductibles for comp and collision … 500 QCs seems like a lot too, the car might’ve been primarily QC’ed over its life, and possibly topped up to 100% too often. is there any logical explanation for the discrepancy between what dealership advertised SOH and the SOH number that i am getting? I am probably overthinking this, especially as there is so much unknown in *any* used vehicle. This suggests some realtime optimization by the battery management, and likely some compensation for degradation on the battery. 24 kWh battery (model years 2011-2014): have higher degradation levels 0.6% Organic Share of Voice. I got Leaf Spy in December, and it’s shown around 86% SOH fairly consistently since then, with battery temperatures between -10C and 5C. It’s now reading SOH 88%, at 5500km and 8 months, which is still a low outlier on this chart. ( Log Out /  The 2 kWh difference from the 66 kWh advertised by Chevy is only 3% or one-fourth that of Nissan's Leaf actual versus advertised capacity. The Bolt EV can run another 70,000 miles before the loss affects your true driving range. Good those batteries come with an 8 years warranty. I was inspired to start this thread by the great work being done to analyse the battery degradation on the Nissan Leaf Forum. Tesla battery data shows path to over 500,000 miles on a single pack. [RE: Nissan Leaf battery warranty] "2016 warranty is nine bars in 8 years/100K miles. The Leaf has an average degradation rate of 4.2%, while the Model S is 2.3%. Bought it used almost 2 years ago with 32,000 miles and 11 bars. The warranty lasts for 96 months, and the battery life can last at least ten years. but wanted to know if there was a way to see if it had had the battery replaced to a “Generation 2” version with the improved temperature management system. And You can expect to get around 8 to 10 years out of your Nissan LEAF battery when you take care of … I’ve noticed that this does wander about quite a bit, also it rises in winter and drops in summer (which is the opposite to expectations since Li-Ion chemistry operates optimally at 25C, a warm summer temperature in the UK). Using those parameters as a new benchmark, I calculated the polynomial curve of capacity loss throughout the warranty period, plotted in the graph down below at the bottom of the page. Not exactly, but can be thought to: Ah”in”/Ah”nominal”. Many ICEVs have major engine overhaul, costing thousands of dollars before reaching 70,000 miles. Panasonic for Tesla vehicles produces NCA chemistry cells. After arriving home, I started to use the granny charger, and after 4 months, the SOH and Hx was both ~91%. One thing to verify on the 30kwh Leaf is whether it’s had a software update that came out this summer. ( Log Out /  Deep cycles and DCFC take their toll. One up to 50%, and another at 22KW up to 90%, both in below freezing temperatures. In the 24 kWh battery pack, each module has 4 cells, while in the 30 kWh variant there are 8 cells per module. Sounds like the warranty got worse. Maybe I need to recalibrate the BMS somehow? Found inside – Page iThis book deals with current and future positive and negative electrode materials covering aspects related to research new and better materials for future applications (related to renewable energy storage and transportation in particular), ... For future reference, my 2017 Leaf is at 14000km (still pretty low), last time I checked LeafSpy it showed 94% SOH and Hx=81.74%. The ambient (outer) temperature is not too important. Version History. 24 kWh battery (model years 2011-2014): higher degradation levels, 24 kWh battery (model years 2015-2016): lower degradation levels (“lizard battery”). A teardown of the Leaf battery pack by Ben Nelson at 300mpg.org supplements this post with a nice step-by-step mechanical disassembly of this pack. The text contains an introductory section on the market for battery and hybrid electric vehicles, then thoroughly presents the latest on lithium-ion battery technology. It’s also not surprising that the 24 kWh versions are more affected by time and older Leafs show much higher degradation levels, since the “lizard” battery only arrived in 2014 with the 2015 Nissan Leaf. Change ), You are commenting using your Google account. Version History. My Y was able to get 252 miles on each charge at 80% limit. Transitions to Alternative Vehicles and Fuels assesses the potential for reducing petroleum consumption and GHG emissions by 80 percent across the U.S. LDV fleet by 2050, relative to 2005. This site uses Akismet to reduce spam. I charge on a level 2 at home and a level 1 at work. Nice car. How do the bars shown in the display correspond to SOH for the 24/30 Leafs? The system draws power from a 24 kWh lithium-ion battery pack. But Nissan batteries are notoriously terrible when it comes to degradation. As far as I have been able to determine, used car batteries are either Generation 1 or 2, and beyond that, they are either 24kWh or 30 kWh. Leaf’s SOH is reliable. As the country that inspires the world with ‘gross national happiness’ development philosophy, Bhutan is striving to pursue its economic growth while committing to its core values of inclusive and green development. ( Log Out /  This book brings together the knowledge and views of a vast array of experts and leaders in their respective fields. Batteries Nissan’s Long Strange Trip With LEAF Batteries. I believe the report is correct about 8 cells per module for 30kWh. This book covers the recent research advancements in the area of charging strategies that can be employed to accommodate the anticipated high deployment of Plug-in Electric Vehicles (PEVs) in smart grids. I first got LeafSpy at 2500km/4 months, and it already showed SOH at 86%, and stayed at 86% until I tried recalibrating. While the battery will lose power over time, the mileage you get will drop gradually. Electrek posted a chart of Nissan Leaf battery health, and the newer 30kWh batteries appear to … https://www.preprints.org/manuscript/201803.0122/v1. Low Batt. Hi Rob. You can connect and charge your Nissan LEAF in four quick steps: 1. 40 minutes 80 charge3 50 kW Available 120-V240-V portable charge cable. Thanks MNMN. In short, with the software corrected, the 30 kwh battery now degrades at the same rate as the 24kwh model because the battery controller was mis-calculating battery health. If, as some suggest, this is just Leaf Spy being unable to “interpret” the health of the 30kWh batteries, then at some point the intepretation curve and people’s actual experience will diverge more clearly. Only 2 DCFC sessions. Another LFP car. Am in the market for a used LEAF and wanted to make sure that I understand all the issues re: battery life and degradation and etc…. but you face the consequences of not coorect using. To put these numbers in perspective let's compare the 2020 Bolt to our 2015 Nissan Leaf. As stated in the warranty, the threshold for said benchmark is the loss of the fourth capacity bar. nissan leaf battery degradation. Considering the prospects, challenges and policy status of specific regions and vehicle deployment, the global case study references make this book useful for academics and researchers in all engineering and sustainable transport areas. Thanks, I’ll check it out if this is a real fix or just a way for Nissan to hide battery degradation and avoid warranty claims. Change ), You are commenting using your Twitter account. – Additionally, Nissan improved the Leaf battery chemistry in 2015 (known as the Lizard Battery). “What about the cost of replacing the battery then?” is a common question. This temperature regulation protects your battery health, but can also cost you some range. Only you can decide whether this makes a Leaf a useful commuter for you. However, only 21 kWh were actually usable. The car’s computer was miscalculating the state of health, making it look worse than it was. If your Nissan Leaf is a 2011 or a 2012 model, you have to add $225 to cover the cost of an adapter kit specially made to retrofit the replacement battery to your car. As an EE, I see no reason to worry about that degradation after so many miles. This chart can be used to determine the estimated distance your Nissan Leaf can travel: 8. Loss of range when using the heater and air conditioner. still having the 12 bars. The Nissan Leaf has a battery capacity of 40kWh and can be charged from a normal domestic, three-pin socket in your house using the standard cable provided. Many ICEVs have major engine overhaul, costing thousands of dollars before reaching 70,000 miles. Recently a driver had “measured” each one with LeafSpy. See how efficient you must be given battery charge, temperature, a route distance, and battery degradation. Rates by State, City, and Model. The chart below breaks down average Nissan Leaf insurance rates for different risk profiles and scenarios. 7. Nissan’s early LEAF battery woes Some of the early Nissan LEAFs had premature battery degradation issues, particularly those that were in service in hot climate areas like Arizona. Found insideThis new edition includes: important new chapters on types of electric vehicles, including pickup and linear motors, overall efficiencies and energy consumption, and power generation, particularly for zero carbon emissions expanded chapters ...
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