ndirect competition comes from jumper cables, which are available at auto parts stores and even discount department stores such as Wal-Mart and Kmart. Jumper cables require that the user have some familiarity with battery operation since they must be attached to the positive and negative contacts correctly, and they also require another vehicle. This may mean that the user must hail a stranger in order to jump the car. Jumper cables also require that the user exit the passenger compartment in order to use the product. However, jumper cables do not require recharging. Jumper cables cannot be used to power any other products.
Another source of indirect competition are the various roadside services available. Roadside services (such as the AAA) provide jumper assistance at no additional charge. The vehicle owner simply calls for assistance and the vehicle is jumped by the responding affiliate (usually a tow truck). This service has the advantage of being included
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