Nike + iPod: About the sensor battery

The Nike + iPod Sensor's battery is not replaceable or rechargeable and has a life of over a thousand active hours. The sensor has a sophisticated built-in power-management system, allowing the sensor to consume power only when active (that is, when it senses motion).

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When the sensor has approximately thirty hours of active use remaining, it will send a low-battery signal to your iPod nano, iPod touch, or iPhone 3GS, indicating that you should replace the sensor. Your iPod or iPhone will notify you of your sensor's low-battery status right before and after each workout you initiate.

The following are examples of low-battery indicators on some of the different generations of iPods and iPhone 3GS:

Your iPod touch (2nd generation) and iPhone 3GS will alert you of the sensor's low battery when you launch the Nike + iPod application:


Before beginning your workout you will be notified to "Replace Sensor Soon": During your workout, the sensor icon will also flash on and off:


Before beginning your workout you will be notified to "Replace Sensor Soon": When you end your workout, the End Workout screen will also notify you of the sensor's low-battery status:
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Your iPod nano (2nd generation) will notify you of a low sensor battery by alternately flashing the image of a battery and a shoe on your Now Running screen (see the image below) during your workout. You will also be notified at the bottom of your Workout Summary screen with the following text: "Sensor - Battery Low":


If your Nike + iPod sensor needs replacement, you can visit an Apple Service Provider or Apple Store for a replacement kit.

For more information on the Nike + iPod Sport Kit, see the Nike + iPod User’s Guide

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