Used MINI Electric (Cooper SE): battery health, range and replacement cost

Battery wear, range, winter loss, replacement cost and warranty, with a source for every figure. Data checked 2026-10-18.

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Things to check

US recall 24V-302: on 2020-2024 Cooper SEs the battery case may not be sealed, so water can get in. Dealers leak-test and repair the battery. Check it was done. api.nhtsa.gov
The high voltage battery housing may not have been sealed properly, allowing water to enter the battery.
US recall 24V-612: a battery or high-voltage fault can cause a short circuit. If a warning shows, park outside until the software update is done. api.nhtsa.gov
Faults may occur in the high voltage battery or high voltage system, resulting in a short circuit.
UK recall R/2024/279: 508 MINI Electrics built June 2020 to December 2023. Moisture can get into the battery case, and the battery can switch off while driving. The seal is checked and parts replaced. check-vehicle-recalls.service.gov.uk
the seal on the high voltage battery housing may allow moisture to penetrate the battery
The battery is small: 32.6 kWh in total, of which 28.9 kWh can be used. press.bmwgroup.com
Gross Battery Content 32.6 kWh
UK recall R/2024/337: 24,483 MINI Electrics built November 2018 to January 2024 get a battery software update for insulation faults (the same fix as US recall 24V-612). Check it was done. check-vehicle-recalls.service.gov.uk
there is a software update available to improve the management of the high voltage battery in the event of an insulation fault

In the US

Cooper SE Hardtop 2 Door (F56)

Model years 2022–2024

Battery type: NMCestimateEV Database: MINI Cooper SE (UK) · checked 2026-10-17
What the source covers
F56 MINI Cooper SE, March 2021 - February 2024
Quote: Cathode Material NMC
How we got this: The source is the European listing of the same F56 Cooper SE and 28.9 kWh pack sold in the US.
Usable battery: 28.9 kWhsourcedBMW Group PressClub USA: MINI Cooper SE technical data · checked 2026-10-17
What the source covers
US MINI Cooper SE (F56): 32.6 kWh gross, 28.9 kWh net
Quote: Net Battery Content 28.9 kWh
Official range (EPA, new): 114 midata setEPA/DOE fueleconomy.gov vehicles.csv (retrieved 2026-10-17, sha256 b1ff0e3071c4) · checked 2026-10-18
What the source covers
EPA record 43953: 2022 MINI Cooper SE Hardtop 2 door; this 2022 rating is shown for 2022-2024, whose EPA ratings are within 2% (range) and 5% (efficiency) of it
Record: id=43953 range=114
Efficiency (EPA combined): 30.7 kWh per 100 milesdata setEPA/DOE fueleconomy.gov vehicles.csv (retrieved 2026-10-17, sha256 b1ff0e3071c4) · checked 2026-10-18
What the source covers
EPA record 43953: 2022 MINI Cooper SE Hardtop 2 door; this 2022 rating is shown for 2022-2024, whose EPA ratings are within 2% (range) and 5% (efficiency) of it
Record: id=43953 combE=30.714
Battery wear: 2.3% a yearestimatemeasures battery capacityGeotab EV battery health study (page labels it 2025/2026) · checked 2026-10-17
What the source covers
Geotab fleet average (not MINI Cooper SE-specific)
How we got this: No yearly MINI Cooper SE degradation figure found. Geotab's fleet average (2.3%/yr across 21 make-models) is used. AVILOO reports Cooper SE state of health by mileage, not age, so it cannot give a yearly rate.
Expected health: 89% after 5 years, 77% after 10 yearsestimatestraight-line from the wear rate above; about 101 mi and 88 mi of EPA rangeGeotab EV battery health study (page labels it 2025/2026) · checked 2026-10-17
What the source covers
Geotab fleet average (not MINI Cooper SE-specific)
How we got this: Our calculation: 100% minus 2.3% a year (the wear rate above), never below 50%.
Winter range loss: 25% lessestimate0 to -5°C, wet road, real-road route, March 2021, compared with the WLTP ratingMotor (NAF) winter range test, March 2021 · checked 2026-10-17
What the source covers
One 2021 MINI Cooper SE (F56) in Motor's winter test, 0 to -5°C, measured vs its WLTP range
Quote: Mini Cooper SE 230 km 173 km
How we got this: Our calculation from the test: (230 - 173) / 230 = 24.8%. One Norwegian-market Cooper SE (F56), not a UK or US car.
Battery replacement cost: No reliable figure yet
Battery warranty: 8 years or 100,000 milesestimatefrom new; covers defects; no capacity level stated; passes to the next ownerMINI USA warranty booklet, 2024 models · checked 2026-10-17
What the source covers
MINI USA high-voltage battery warranty, 2024 models; coverage passes to each later buyer
Quote: against defects in materials or workmanship for a period of 8 years/100,000 miles
How we got this: The 2022 and 2023 booklets also cover capacity below 70%; the 2024 booklet does not. The defects-only 2024 terms are shown, the cautious choice for 2022-2024.

In the UK

Cooper SE (F56, 28.9 kWh)

Model years 2020–2023

Battery type: NMCsourcedEV Database: MINI Cooper SE (UK) · checked 2026-10-17
What the source covers
UK MINI Cooper SE (F56), 32.6 kWh nominal / 28.9 kWh usable
Quote: Cathode Material NMC
Usable battery: 28.9 kWhdata setOpen EV Data @32d7dc59e7 (MIT, https://github.com/KilowattApp/open-ev-data) · checked 2026-10-18
What the source covers
Open EV Data entry: Mini Cooper SE (2020); market not stated in the dataset
Record: id=d8c11860-a582-4784-9e58-d29e94a67fc2 usable_battery_size=28.9
Official range (WLTP, new): 124 misourcedAutocar: new MINI Electric revealed (July 2019) · checked 2026-10-17
What the source covers
UK MINI Electric (F56) at launch, WLTP 124-144 miles by trim; the lowest is shown (later cars are rated a little higher)
Quote: a WLTP-certified range of 124-144 miles
Battery wear: 2.3% a yearestimatemeasures battery capacityGeotab EV battery health study (page labels it 2025/2026) · checked 2026-10-17
What the source covers
Geotab fleet average (not MINI Cooper SE-specific)
How we got this: No yearly MINI Cooper SE degradation figure found. Geotab's fleet average (2.3%/yr across 21 make-models) is used. AVILOO reports Cooper SE state of health by mileage, not age, so it cannot give a yearly rate.
Expected health: 89% after 5 years, 77% after 10 yearsestimatestraight-line from the wear rate above; about 110 mi and 95 mi of WLTP rangeGeotab EV battery health study (page labels it 2025/2026) · checked 2026-10-17
What the source covers
Geotab fleet average (not MINI Cooper SE-specific)
How we got this: Our calculation: 100% minus 2.3% a year (the wear rate above), never below 50%.
Winter range loss: 25% lessestimate0 to -5°C, wet road, real-road route, March 2021, compared with the WLTP ratingMotor (NAF) winter range test, March 2021 · checked 2026-10-17
What the source covers
One 2021 MINI Cooper SE (F56) in Motor's winter test, 0 to -5°C, measured vs its WLTP range
Quote: Mini Cooper SE 230 km 173 km
How we got this: Our calculation from the test: (230 - 173) / 230 = 24.8%. One Norwegian-market Cooper SE (F56), not a UK or US car.
Battery replacement cost: No reliable figure yet
Battery warranty: 8 years or 100,000 milesestimatefrom new; covers capacity below 70%; passes to the next ownerMINI UK warranty handbook (2025) · checked 2026-10-17
What the source covers
MINI UK battery warranty: 8 years / 100,000 miles, 70% capacity floor; the warranty is not affected by a change of owner
Quote: has fallen below 70% of its capacity when new
How we got this: The current (2025) MINI UK handbook gives the 70% floor and 8 years / 100,000 miles; the 2020-2023 handbooks were not found, so it is shown as an estimate.

All sources for this page

api.nhtsa.gov · checked 2026-10-18
Autocar: new MINI Electric revealed (July 2019) · checked 2026-10-17
BMW Group PressClub USA: MINI Cooper SE technical data · checked 2026-10-17
check-vehicle-recalls.service.gov.uk · checked 2026-10-18
EPA/DOE fueleconomy.gov vehicles.csv (retrieved 2026-10-17, sha256 b1ff0e3071c4) · checked 2026-10-18
EV Database: MINI Cooper SE (UK) · checked 2026-10-17
EV Database: MINI Cooper SE (UK) · checked 2026-10-17
Geotab EV battery health study (page labels it 2025/2026) · checked 2026-10-17
MINI UK warranty handbook (2025) · checked 2026-10-17
MINI USA warranty booklet, 2024 models · checked 2026-10-17
Motor (NAF) winter range test, March 2021 · checked 2026-10-17
Open EV Data @32d7dc59e7 (MIT, https://github.com/KilowattApp/open-ev-data) · checked 2026-10-18
press.bmwgroup.com · checked 2026-10-18

"Estimate" means we worked the figure out or borrowed it from a similar car; open "What the source covers" to see how. Expected health is a straight-line estimate from fleet data, not a test of any one car.