The battery in MG 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.

S5A-0043 · CC BY 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleMG MG4
since 2022
Alexander Migl · CC BY-SA 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleMG MG5
since 2022
Alexander Migl · CC BY-SA 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleMG Marvel R
since 2021
Alexander Migl · CC BY-SA 4.0 · Wikimedia Commons Pack cannot be repaired module by moduleMG ZS EV
since 2019
MG 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 |
|---|---|---|---|---|
| MG MG4 | 2022 – 2023 | 7 years | 80,000 miles | 70% |
| since 2024 | 8 years | 100,000 miles | 70% | |
| MG MG5 | 2022 – 2023 | 7 years | 80,000 miles | 70% |
| since 2024 | 8 years | 100,000 miles | 70% | |
| MG ZS EV | 2019 – 2023 | 7 years | 80,000 miles | 70% |
| since 2024 | 8 years | 100,000 miles | 70% |
Terms not recorded for: MG Marvel R.
For a specific car, the battery checker gives the warranty end date. Compare with every brand.
What to know about MG batteries
The catalogue covers 4 MG electric models, on sale since 2019. 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 MG range from 7 to 8 years, up to 80,000 to 100,000 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.