Which terminal should be removed from the battery to prevent battery discharge?

  • Dec 14, 2020
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To prevent the battery from being discharged after a long parking, it is necessary to remove the terminals from it. But opinions differ as to which of them should be got rid of in order to avoid detente. Some disconnect the plus, while others prefer to reset both terminals. Next, we will consider how to prevent the battery from discharging.

Alarms and other passive electronics operating when the engine is off can drain the battery in one to two weeks of parking. This leads to unpleasant situations when the driver needs to be absent for a long time. Upon returning to the vehicle, it cannot be started. This can be prevented by removing the terminals.

However, it is not recommended to do this in an unsecured parking lot, because the alarm is deactivated. Better to pay for a good parking lot or even leave the car in your garage.

Which terminal should be removed from the battery to prevent battery discharge?

The battery loses its charge when parked in every vehicle. It does not apply to breakdowns, but if a brand new battery is discharged in a couple of days of parking, you need to check the car with a specialist. Different batteries have different charges. High-quality ones may not be discharged after a month of inactivity, and low-quality ones in winter will not last even a week.

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A complete discharge of the battery will not only make it impossible to start the engine. It leads to sulfation that will ruin any battery. Using the battery on a low charge will have the same effect. You should never neglect removing the terminal from the battery.
It is the minus that should be dropped from the battery, contrary to the popular belief that any terminal can be removed. Auto mechanic experts advise this to keep leakage current to zero.

On modern cars, this will save time, because when the plus is removed, the battery will need to be re-registered in the control unit.

Disconnected minus completely de-energizes all electronic systems of the car. Alarms, multimedia and others will no longer consume battery power. For even more protection against electrical leakage and other battery-related problems, experts recommend buying plastic terminal blocks and high-voltage wires.

Electrodes require regular cleaning to prevent oxidation. To do this, you just need to wipe them with a sandpaper for a few minutes. This simple process will protect against breakdowns, and the battery will start without problems even in subzero temperatures.

De-energizing the vehicle's electrical systems is mandatory if a long absence of the owner is brewing. This will prevent sulfation and allow the car to start upon return. Disconnecting is only a minus. This will save the driver from current leakage and minor inconveniences.