Tesla

Tesla Model 3 / Model Y Long Range pack (2017-2020)

Lithium-ion (cathode not published) cells from Panasonic · 80.5 kWh · used in 2 model variants.

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Pack reference

Lithium-ion (cathode not published) · Panasonic · 350 volts, 230 Ah as declared to EPA; cell count not published

About the pack

Capacity

80.5 kWh

as published

Fast charge

250 kW

peak

Warranty floor

70%

capacity floor at 8 yr / 120k mi

Pack overview

ChemistryLithium-ion (cathode not published)

Cell supplierPanasonic

Cell format2170 cylindrical

Voltage (nominal)350 V

CoolingLiquid

Architecture350 volts, 230 Ah as declared to EPA; cell count not published

Warranty 8 yr / 120k mi

Capacity floor70%

Known issues

Low

Tesla publishes no capacity for this pack. It declared 350 volts and 230 Ah to EPA for the 2017-2020 Long Range and Performance cars, and in its certification tests they discharged between 77.5 and 79.8 kWh from full to empty.

Manufacturer

Low

Tesla said its Supercharger V3, launched in March 2019, supports peak rates of up to 250 kW per car. Tesla publishes no 10 to 80 percent time.

Manufacturer

Low

Tesla's 2019 annual report says the battery modules for the Model 3 and Model Y use lithium-ion cells produced by Panasonic at Gigafactory Nevada. Tesla describes the 2170 cell as jointly designed with Panasonic.

Manufacturer

Low

Model 3s from 2017 through 2020 heat the cabin with a resistive heater. The heat pump arrived on the Model Y in 2020 and on the Model 3 for 2021.

Manufacturer

Low

Tesla's warranty covers the Long Range and Performance battery for 8 years or 120,000 miles, whichever comes first, with at least 70% retention of battery capacity. Standard Range cars are covered for 100,000 miles.

OEM warranty

Low

The displayed range can fall without a matching loss of battery capacity. Tesla's warranty calls range estimates "an imperfect measure of Battery capacity because they are affected by additional factors separate from Battery capacity."

OEM warranty

How this pack ages (industry context)

Industry fleet aggregates: 2.3% average annual capacity loss across 22,700 EVs / 21 models (Geotab, 2026), and 95% range retention at 5 years on average across 30,000+ vehicles (Recurrent, 2026).

OEM warranty floor on this pack: 8 yr / 120k mi to 70% capacity.

Public per-pack degradation curves are not available for most models. Individual results vary materially with climate, charging behavior, and DC fast-charge frequency.

Vehicles using this pack

Tesla Model 3

2017-2020 · Long Range (RWD and AWD) and Performance

220-330 miEPA range

113-141MPGe

11.5kW · AC charger

NoHeat pump

Full reliability page →

Tesla Model Y

2020-2020 · Long Range and Performance

291-316 miEPA range

111-121MPGe

11.5kW · AC charger

YesHeat pump

Full reliability page →

Battery-Related NHTSA Recalls

Recalls affecting battery, charging, electric propulsion, or thermal-event systems on vehicles using this pack, as of the last complaint-data run. Each campaign names the model generation it was filed against; the summary gives the model years covered.

23V434000 Jun 19, 2023 ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

Tesla, Inc. (Tesla) is recalling certain 2023 Model 3 and Model Y vehicles. The pyrotechnic battery disconnect may be defective.

Consequence: A defective battery disconnect may not isolate the vehicle's high voltage battery after a crash or fault detection, increasing the risk of electrical shock and injury.

Filed against: Tesla Model 3 2017-2020; Tesla Model Y 2020-2020

For TWD editorial coverage of major recall campaigns, see /recalls/.

Pack family

Tesla Model 3 / Model Y Long Range pack (2017-2020) is part of the tesla-2170 family. Related packs:

Tesla Model 3 / Model Y Long Range pack (2021-2023) · Lithium-ion (cathode not published) · 84.6 kWh
Tesla Model 3 / Model Y Long Range pack (2024-2025) · Lithium-ion (cathode not published) · 79.5 kWh
Tesla Model 3 Mid Range pack (2018-2019) · Lithium-ion (cathode not published) · 63.5 kWh
Tesla Model 3 Standard Range pack (2019-2021) · Lithium-ion (cathode not published) · 54.4 kWh
Tesla Model Y Standard Range pack (2021) · Lithium-ion (cathode not published) · 56.9 kWh
Tesla Model Y Rear-Wheel Drive pack (2024) · Lithium-ion (cathode not published) · 66.5 kWh

Frequently Asked Questions

What chemistry is the Tesla Model 3 / Model Y Long Range pack (2017-2020)?

The Tesla Model 3 / Model Y Long Range pack (2017-2020) uses Lithium-ion (cathode not published) chemistry. Cells are supplied by Panasonic. Cell format: 2170 cylindrical. Pack architecture: 350 volts, 230 Ah as declared to EPA; cell count not published.

What is the warranty on this pack?

8 years or 120,000 miles, with capacity coverage to 70% of original. Specific terms vary by year and trim; check the manufacturer's warranty booklet for the exact vehicle.

How much does this pack degrade over time?

Industry-wide fleet aggregates show roughly 2.3% average annual capacity loss across 22,700 EVs (Geotab, 2026), with about 95% range retention at five years on average across Recurrent's 30,000+ vehicle fleet (2026). Public per-pack degradation curves are not available for most models. The Tesla Model 3 / Model Y Long Range pack (2017-2020) battery warranty runs 8 years / 120,000 miles to a 70% capacity floor, which is the OEM-guaranteed minimum within that period. Individual results vary with climate, charging habits, and DC fast-charging frequency.

Which vehicles use the Tesla Model 3 / Model Y Long Range pack (2017-2020)?

Tesla Model 3 2017-2020 (Long Range (RWD and AWD) and Performance); Tesla Model Y 2020-2020 (Long Range and Performance).