EV batteries were supposed to die in five years. Data says otherwise

You've probably heard the warning: an electric car's battery wears out in about five years, and the replacement costs nearly as much as the car. The data now covers tens of thousands of cars and more than a decade of driving, and it doesn't back that up. Telematics firm Geotab measured more than 22,700 EVs and found they lose about 2.3% of battery capacity a year on average. Owner-data company Recurrent says only 0.3% of EVs built since 2022 have needed a new pack.

This matters because the battery is still the most expensive part of an EV. Reuters reported in 2023 that it can make up as much as half of a car's purchase price, so fear of a big bill shapes what people will pay for a used EV and whether a family buys one at all. The fear also had a basis. Some early cars really did lose capacity fast, and out-of-warranty replacements can still run well into five figures. So this piece sets what people expected at the time against what the fleet data shows today, and says where the skeptics were right.

Where the five-year fear came from

The worry didn't start as an internet myth. It started in Phoenix in 2012, when owners of the first Nissan Leaf in Arizona reported that their batteries were fading quickly.

One owner told Torque News their range had fallen from roughly 90 miles (145 km) in the first year to 44 miles (71 km) by the second summer. Nissan said its batteries should keep 70% to 80% of capacity after 10 years under normal conditions.

Nissan at first played the problem down. Andy Palmer, an executive vice president at the time, called the reports a faulty battery display, according to Green Car Reports. In September 2012, owners ran their own test of 12 Leafs in the Phoenix area. Cars showing lost capacity on the dashboard really did have less range. The worst one managed 59 miles (95 km), and none of the cars tested still had its original capacity.

Later that month, Nissan bought back two Leafs as what it called a goodwill gesture. It said gradual capacity loss was "expressly excluded" from the warranty. It also said a Leaf should keep about 80% of its capacity after five years in normal use, and estimated about 76% in Arizona's heat.

That is the real origin of the story: an early battery sold into one of the hottest climates in the United States, under a warranty that didn't cover fade. On that car, in that place, the skeptics were right.

What the fleet data shows now

The best large dataset today comes from Geotab, which tracks commercial and private fleets. Its latest analysis covers more than 22,700 vehicles across 21 models. It finds average capacity loss of 2.3% a year, which works out to about 81.6% of original capacity after eight years. On that curve, Geotab projects a typical pack lasting 13 years or more.

Charlotte Argue, Geotab's senior manager of sustainable mobility, wrote that modern packs are holding up well and should outlast the normal service life of the car they sit in.

Recurrent tracks battery health through an app that owners connect, with more than 30,000 EVs in its community. Its replacement numbers tell the same story by model year:

• First generation (2016 or earlier): about 8.5% have had a battery replaced
• Second generation (early Chevy Bolt, Tesla Model 3): about 2%
• 2022 and newer: 0.3%
• All years, excluding major recalls: under 4%

An earlier Recurrent study of about 15,000 cars was strong enough for the U.S. Department of Energy to cite. The department said failure-related replacement rates for model years 2016 to 2023 were well under 1%, and most of those would have been covered by warranty.

Carmaker data points the same way, with the usual caveat that it comes from the company. In its 2022 Impact Report, Tesla (TSLA) said Model S and Model X batteries lose about 12% of capacity on average after 200,000 miles (322,000 km). Tesla didn't publish its method, and it said it expects its cars to be scrapped at around 200,000 miles in the U.S.. Treat it as a company claim that fits the independent numbers, not as proof on its own.

Part of the improvement is simple size. Recurrent says average battery capacity grew 167% between 2015 and 2024. A bigger pack can lose the same number of kilowatt-hours and still leave plenty of range.

Where the skeptics were right

The early cars really did fail more often. An 8.5% replacement rate for first-generation EVs is high. If you bought a 2012 Leaf in Phoenix, your worries came true.

How you charge matters more than optimists used to admit. Geotab found that cars which mostly use high-power DC fast charging (above 100 kilowatts) lose about 3.0% a year, double the 1.5% for cars that rarely use it. Over eight years that's the gap between about 88% and about 76% of original capacity. Heat still matters too: cars in hot climates degraded about 0.4 percentage points a year faster than those in mild ones. Geotab's overall figure ticked up partly because fast charging became more common in its data.

Repair costs are real when something goes wrong. Recurrent puts an out-of-warranty replacement at about $5,000 to $16,000, depending on pack size and brand. A March 2023 Reuters investigation found insurers writing off low-mileage EVs after minor damage to the pack, because they had no way to assess or repair it. At Allianz (ALV), battery damage made up 8% of motor claim costs in Germany, Reuters reported. Teardown expert Sandy Munro told Reuters that Tesla's structural Model Y pack had "zero repairability". These are collision problems, not wear, but your wallet doesn't care about the difference.

Reliability surveys have also been less flattering than the degradation data. Consumer Reports' 2023 survey found EVs from recent model years had nearly 80% more problems than gas cars, and battery and charging systems were among the most common complaints. Its December 2025 survey still found EVs and plug-in hybrids together averaging about 80% more problems than gas-only cars, though Tesla improved the most of any brand. "Some kinks still continue to be worked out," said Jake Fisher, the magazine's senior director of auto testing.

Recalls are left out of the headline replacement rates. Recurrent's figures exclude the large battery recalls on the Chevrolet Bolt from General Motors (GM) and the Hyundai Kona Electric. Owners of those cars got new packs at the carmaker's cost, but the recalls happened, and Recurrent's clean numbers don't include them.

How the price of a pack has changed

The second half of the old fear was cost: that a replacement would always cost close to a new car. In 2023, Reuters reported that a battery could make up as much as half of an EV's purchase price.

Pack prices have kept falling since then. BloombergNEF's December 2025 survey put the global average lithium-ion pack at $108 per kilowatt-hour, down 8% from 2024 and 93% below 2010. Packs for battery-electric cars averaged $99 per kWh, the second year in a row under $100. Recurrent notes that prices were above $400 per kWh in 2012.

Where you live still matters. BNEF found average pack prices of $84 per kWh in China, $121 in North America and $131 in Europe. The cheaper chemistry, lithium iron phosphate (LFP), averaged $81 per kWh, against $128 for nickel-rich NMC packs.

Here's a rough sense of scale, using our own arithmetic on BNEF's North American average of $121 per kWh. A 75 kWh pack at that price works out to about $9,100 in battery hardware. That excludes labor, dealer markup and the parts around the battery, which is why real quotes, such as Recurrent's $5,000 to $16,000 range, can run higher. Still, the core hardware costs a fraction of what it did when the five-year warnings started.

Warranties also matter. Recurrent says new EVs typically carry a separate battery warranty of at least eight years or 100,000 miles (161,000 km). Tesla's covers 8 years and 150,000 miles (241,000 km) on the Model S and X. That's much better protection than the 2012 Leaf owners had, when gradual fade wasn't covered at all.

The scorecard

Here's the fair summary. "EV batteries die in five years" was wrong as a general rule, and it's even more wrong for cars built since about 2017. The average pack in Geotab's data is still above 80% after eight years. Among recent model years, replacements are rare enough that Recurrent says packs should outlast the cars.

The skeptics were right about the details the optimists skipped. Early Leaf packs faded badly in desert heat. Heavy fast charging roughly doubles wear. And a damaged or failed pack outside warranty can still mean a five-figure bill. Whether you're buying used or new, those are the questions to ask, not whether the battery will simply die.

What to watch next

BloombergNEF usually publishes its battery price survey in December. Its forecast for 2026 calls for only a small further decline, to about $105 per kWh, because of metal costs and tariffs. Consumer Reports normally releases its annual reliability survey in late fall, which will show whether EV problem rates are finally coming down. And the first big wave of 2017 to 2019 EVs is now reaching the end of typical eight-year battery warranties, which will test how many owners end up paying for a new pack themselves.

If you own an older EV, how much range has your battery lost, and was it what you expected when you bought it?