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What can a car battery jumper be used for?

A car battery jumper, also known as jumper cables, is primarily used to start a car with a dead battery.

Here's how it works:

* Connect the cables: You connect the jumper cables to the battery terminals of the dead car and a working car.

* Transfer power: The jumper cables transfer power from the working car's battery to the dead car's battery.

* Start the engine: Once the dead car's battery has enough charge, you can start the engine.

Beyond starting a dead battery, jumper cables can also be used for:

* Boosting a weak battery: If your battery is not completely dead but is struggling to start the car, jumper cables can provide a temporary boost.

* Charging a battery: You can use jumper cables to charge a dead battery from a working car, although it's not as efficient as a dedicated battery charger.

* Jump-starting other vehicles: You can use jumper cables to jump-start other vehicles, such as motorcycles, lawnmowers, and boats.

Important Note: Always follow the safety guidelines when using jumper cables. Incorrect use can cause damage to vehicles and personal injury.