Is it OK to just disconnect the negative terminal?

“If someone is going away for a few months over the winter, they should definitely disconnect the battery. It’s the only way to prevent battery drain,” Rashidi said. … I would recommend taking the negative battery post out, and wrapping something around the end so it doesn’t touch anything while you’re not there.”

What will happen if I disconnect my car battery?

Disconnecting A Car Battery, May Cause A Whole List Of Issues: Starting problems. Drivability issues. Loss of air conditioning.

What is the proper way to disconnect a car battery?

It’s a good idea to wear eye protection when working around batteries. First, unbolt the negative battery cable and disconnect it by lifting it free. It might take some wiggling and twisting to pull it off. Be sure never to let the wrench touch both the negative and positive terminals at the same time.

Is it OK to disconnect car battery overnight?

Will a car battery drain if I disconnect only the positive terminal during the night? No, it won’t drain overnight if you disconnect the positive lead. However, it’s very bad practice & can be dangerous, assuming the car is negative earth/ground.

Do car batteries lose charge when not connected?

Q: How long would it take for a car battery to lose charge if it is not connected to anything? A: Batteries slowly self-discharge. The longer they sit the more charge is lost. This is the problem “battery tenders” were designed to overcome, a very small float charge to offset the self discharge.

What happens if you don’t disconnect the negative battery cable?

Never disconnect a battery cable when the engine is running. If the tool touches the battery positive terminal and a chassis ground simultaneously, as long as the negative battery cable is not connected, no damage will occur.

Which battery terminal Do I disconnect for storage?

The low-tech solution is to disconnect the negative battery cable. You’ll likely lose the stereo presets, time and other settings. If you want to keep those settings and ensure that your battery starts the moment you return, purchase a battery tender, also known as a trickle charger.

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