Daily EV Charge Limits: Why Hitting 100 Percent Every Night Is Not Ideal

Many EV and plug-in hybrid owners in Indonesia install a home charger and top up to full every night “just to be safe.” Convenient as it feels, leaving the pack at maximum state of charge night after night ages the cells faster over the long run.

In big cities and in kabupaten where public chargers are starting to appear, EV ownership often mirrors phone habits: plug in before sleep, unplug in the morning, and always aim for full. A home charger makes that routine effortless. The catch is that a traction battery is not always happier spending hours at 100 percent, especially when your daily distance sits well below the range you already have left.

Lithium cells are most comfortable in the mid-range. When state of charge sits near full for long stretches, cell voltage stays high and chemical stress inside the pack rises. You will not feel it tomorrow morning, but it accumulates: gradual capacity loss, range estimates that shrink sooner, and greater sensitivity to heat in dry-season traffic or long jams. That is why many manufacturers expose a charge limit or target setting in the app or on the car’s screen.

For daily use—school runs, office trips, or in-city errands—a limit around 70 to 80 percent is usually enough. Leave headroom at the top of the pack so regenerative braking can still recover energy when you slow on a descent or at a red light, and so the battery is not “sleeping” full all night. Save a 100 percent charge for long trips, holiday legs, or days when you truly need maximum range. After you arrive with a high remaining charge, drop the daily target again so the pack is not held at the peak.