Model 3/Y 54 and 75 kWh (pre-facelift, before 2021): imbalance happens, but less often

The 54/75 kWh packs (pre-facelift) are generally more stable than 82 kWh, but imbalance is possible. What to look at when buying and servicing.

Battery · 54, 75

Drivetrain · RWD, AWD

Updated · 2025-09-16

Summary: based on field experience, 54/75 kWh pre-facelift packs show fewer cases of chronic imbalance than 82 kWh Panasonic. Even so, check balance logs, equalization speed at 100%, and temperature.

Link

Model 3/Y battery lineup context: https://tff-forum.de/t/model-3-82-kwh-netto-brutto/118853

Sources

tff-forum.dein Germanarchive
https://tff-forum.de/t/model-3-82-kwh-netto-brutto/118853

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