Reliability

Volvo / Polestar

Volvo EX90 / Polestar 3 pack (111 kWh)

NCM (ratio not published) cells from CATL (cells and modules) · 111 kWh total (107 kWh usable) · used in 2 model variants.

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Pack reference

NCM (ratio not published) · CATL (cells and modules) · 204 prismatic cells in 17 modules, aluminium case, 400-volt class
About the pack
Capacity
107 kWh
usable · 111 total
Fast charge
250 kW
peak · about 30 min to 80%
Warranty floor
70%
capacity floor at 8 yr / 100k mi

Pack overview

ChemistryNCM (ratio not published)
Cell supplierCATL (cells and modules)
Cell formatPrismatic
Voltage (nominal)375 V
CoolingLiquid
Architecture204 prismatic cells in 17 modules, aluminium case, 400-volt class
Warranty 8 yr / 100k mi
Capacity floor70%

Known issues

High
NHTSA 24V-940 (December 2024) covers certain 2025 Polestar 3 vehicles. Fluctuations in the 12-volt system may have damaged the High to Low Voltage Converter Module, which can cause a sudden loss of drive power. Dealers replace the module free of charge.
Medium
NHTSA 25V-453 (July 2025) covers certain 2025 Polestar 3 vehicles. Water may damage the electrical connectors between the engine bay and front bumper cable harnesses. Polestar replaces the bumper harness and the connector free of charge.
Low
Polestar's US spec page gives this pack 111 kWh, 400 volts, 17 modules, DC charging at up to 250 kW and 10 to 80 percent in 30 minutes. Volvo's EPA filing puts usable capacity at 107 kWh.
Low
The 2026 EX90 and Polestar 3 do not use this pack. Volvo's 2026 EPA filings list 800-volt CATL packs of 106 kWh (718 volts) for dual-motor cars and 92 kWh (628 volts) for single-motor cars.
Low
Polestar covers the battery and electric motors for 8 years or 100,000 miles. From the 2025 model year it also covers capacity below 70% of original within that term.

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.

24V940000 Dec 18, 2024 ELECTRICAL SYSTEM:PROPULSION SYSTEM

Polestar Automotive USA, Inc. (Polestar) is recalling certain 2025 Polestar 3 hybrid electric vehicles. Fluctuations in the 12-volt system may have damaged the High to Low Voltage Converter Module (HLCM).

Consequence: A damaged HLCM reduces the system's ability to convert energy, causing a sudden loss in drive power and increasing the risk of a crash.

Filed against: Polestar Polestar 3 2025-2025

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

Frequently Asked Questions

What chemistry is the Volvo EX90 / Polestar 3 pack (111 kWh)?

The Volvo EX90 / Polestar 3 pack (111 kWh) uses NCM (ratio not published) chemistry. Cells are supplied by CATL (cells and modules). Cell format: Prismatic. Pack architecture: 204 prismatic cells in 17 modules, aluminium case, 400-volt class.

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 Volvo EX90 / Polestar 3 pack (111 kWh) 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 Volvo EX90 / Polestar 3 pack (111 kWh)?

Polestar Polestar 3 2025-2025 (Long Range Single Motor / Dual Motor / Dual Motor Performance Pack); Volvo EX90 2025-2025 (Twin Motor / Twin Motor Performance).

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