Source: Tesla Model 3 Mid-Range Battery Pack Is 62 kWh

blue Tesla Model 3 front


An inside source reveals information about the Tesla Model 3 Mid-Range battery pack.

Just a week ago, Tesla made a surprise announcement that it was offering a new Tesla Model 3 Mid-Range model, with a 260-mile range due to fewer cells in its battery pack. Pricing for the model is now set at $46,000. The effort by the electric automaker was not only to offer a less expensive Model 3, but also to speed up production, so that more people may be able to partake in the U.S. federal EV tax credit. Tesla doesn’t share the energy density of its Model 3 battery packs, but a report by Electrek claims a source has leaked the specifics.

The battery pack in the new Model 3 variant is the same pack used in the Long Range car, but it doesn’t house as many cells. According to the source, it has a 62-kWh capacity. Electrek reports that this is 12 kWh less than the Long Range model, which the publication estimates at 74 kWh. However, we provided an EPA document back in 2017 that shows an 80.5-kWh pack. Perhaps the usable energy density falls somewhere in between?

Again, we have no way of officially confirming any of this information since Tesla doesn’t provide it. Electrek’s report simply says that a source familiar with the matter shared the number. The source also claims that a handful of Tesla Model 3 Mid-Range vehicles have already been built. Tesla’s website states that customers can expect delivery of the new variant in six to 10 weeks.


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2. Tesla Model 3 Range: 310 miles; 136/123 mpg-e. Still maintaining a long waiting list as production ramps up slowly, the new compact Tesla Model 3 sedan is a smaller and cheaper, but no less stylish, alternative, to the fledgling automaker’s popular Model S. This estimate is for a Model 3 with the “optional” (at $9,000) long-range battery, which is as of this writing still the only configuration available. The standard battery, which is expected to become available later in 2018, is estimated to run for 220 miles on a charge. Tesla Model 3 front seats Tesla Model 3 Performance - Dual Motor Badge Tesla Model 3 Performance Tesla Model 3 Performance Tesla Model 3 Performance Tesla Model 3 Performance - Midnight Silver Tarmac Motion (wallpaper 2,560x – click to enlarge) Tesla Model 3 Performance - White Interior - Wide Tesla Model 3 Performance - White Interior - Touchscreen Tesla Model 3 at Atascadero, CA Supercharging station (via Mark F!) Tesla Model 3 Tesla Model 3 The Tesla Model 3 is not hiding anymore! Tesla Model 3 (Image Credit: Tom Moloughney/InsideEVs) Tesla Model 3 Inside the Tesla Model 3 Tesla Model 3 charges in Tallahassee, trunk open.

Source: Electrek

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12 Comments on "Source: Tesla Model 3 Mid-Range Battery Pack Is 62 kWh"

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The Hyundai Kona Electric has a 64 kWh battery pack and the range is 258 miles.

The Tesla Model 3 is larger and heavier, but also has better aerodynamics.

Does that 62 kWh battery pack make sense?

Good points, yes it does.

It’s in line with two previous articles in InsideEVs the last few days, which attempted to estimate the mid-range model’s pack size.

Given that Tesla voluntarily reduced the EPA range for the LR RWD Model 3, and assuming it did not do that for the mid-range one, it’s battery capacity could be estimated as 260mi/334mi*80.5kWh=62.7kWh. So that makes sense.

Good point. I was suspecting that the 62kwh is total capacity, not useable.

Why is “density” relevant? Energy density is the term for energy per volume or energy per weight. The 62kWh / 74 kWh / 80.5 kWh numbers are all absolute total battery energy capacity for the pack, nothing to do with density.

They must be talking about the density in the units of KWh / per unit car.

If true, getting 260 miles from 62 KWh battery is really impressive.
Tesla has done it again.

Hoping that someday they will launch a smaller 4 seater car at a more affordable $30,000 price tag and 200 mile range.

“…an EPA document back in 2017 that shows an 80.5-kWh pack.”

…for the LR Model 3.

That’s pretty obviously the full battery cell capacity, not the pack’s usable capacity. Looks like Tesla has switched to citing usable capacity rather than full capacity. At least, that’s what I presume Elon meant when he said that a 75 kWh battery pack was the biggest they could fit into the Model 3.

If the Mid Range TM3 has a battery capacity of 62 kWh, I presume that’s the usable capacity rather than the full capacity.

Correct. The EPA document that showed 80.5 kWh is likely full cell capacity and usable should be around 75 kWh. However, there was never any official announcement. Electrek believes it’s 74 kWh. Others have said 75 or more. Rather than try to deduce or pick a number out of the air, we felt it was safer to provide the EPA doc, as well as Electrek’s guesstimate (since it was the primary source of the story), and then safely suggest that the official number likely falls somewhere within that range.

Full capacity is how we’ve always talked about “85, 75, 90, etc.” It sounds odd, if Musk suddenly meant 75 “usable”, as max for Model 3, even if the room/math/price suggest it may be true.

I’ve predicted that capacity, so it must be right :).
It’s useless to speak about usable or max potential capacity. EVs are more easy on the batteries that day mobile phones, because they have to last longer.
Liion batteries can be charged at around 4.2V per cell, of you stretch it per example to 4.25V a little extra capacity will be available but deterioration will be accelerated. The inverse occurs of instead of 4.2V we use 4.15V.

In real life Kona will probably have a bigger range, maybe at higher speeds the model 3 will be able to go further.