Tesla
Tesla Model Y Standard Range pack (2021)
Lithium-ion (cathode not published) cells · 56.9 kWh · used in 1 model variant.
Pack reference
Pack overview
Known issues
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 / 100k 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
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.
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 Y 2021-2022
For TWD editorial coverage of major recall campaigns, see /recalls/.
Pack family
Tesla Model Y Standard Range pack (2021) is part of the tesla-2170 family. Related packs:
Frequently Asked Questions
What chemistry is the Tesla Model Y Standard Range pack (2021)?
The Tesla Model Y Standard Range pack (2021) uses Lithium-ion (cathode not published) chemistry. Tesla has not named a cell supplier for this pack. Cell format has not been disclosed. Pack architecture: 360 volts and 158 Ah as declared to EPA; 341 kg.
What is the warranty on this pack?
8 years or 100,000 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 Y Standard Range pack (2021) battery warranty runs 8 years / 100,000 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 Y Standard Range pack (2021)?
Tesla Model Y 2021-2022 (Standard Range (rear-wheel drive)).