The battery in Smart electric cars, model by model
4 models listed. For each one: the battery versions, the manufacturer warranty, the state of health to expect for its age, and what a failure costs out of warranty.
M 93 · CC BY-SA 3.0 de · Wikimedia Commons Pack cannot be repaired module by moduleSmart #1
since 2022
M 93 · CC BY-SA 3.0 de · Wikimedia Commons Pack cannot be repaired module by moduleSmart #3
since 2024
M 93 · CC BY-SA 3.0 de · Wikimedia Commons Pack cannot be repaired module by moduleSmart EQ Forfour
2017 – 2021
Alexander Migl · CC BY-SA 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleSmart EQ Fortwo
2017 – 2024
Smart battery warranty, model by model
Manufacturer terms recorded for the UK, by year of first registration. Years and mileage apply whichever comes first; below the guaranteed capacity, the pack is repaired or replaced.
| Model | First registered | Duration | Mileage | Guaranteed capacity |
|---|---|---|---|---|
| Smart #1 | since 2022 | 8 years | 125,000 miles | 70% |
| Smart #3 | since 2024 | 8 years | 125,000 miles | 70% |
Terms not recorded for: Smart EQ Forfour, Smart EQ Fortwo.
For a specific car, the battery checker gives the warranty end date. Compare with every brand.
What to know about Smart batteries
The catalogue covers 4 Smart electric models, on sale since 2017. The packs recorded use NMC or LFP cells, and the difference matters: LFP holds up better over time than nickel, and the gap widens with age.
Battery warranty. The terms recorded for Smart are 8 years, up to 125,000 miles, with a guaranteed minimum capacity of 70%. These terms depend on the date of first registration, not on the model alone: the checker gives the end date for a specific car.