Appendix B. Troubleshooting

…Batteries

The batteries take much longer than three hours to charge

Under moderate temperatures, about 21°C (70ºF), the computer’s battery takes 3 to 4 hours to completely charge. Under extremely cold or hot temperatures, however, the battery can take up to 16 hours to fully charge.

The batteries don’t last very long

Over time, your battery may develop “memory effect.” This occurs when the battery is partially discharged and recharged repetitively without full discharge. A partial or shallow discharge means that you use less than 50 percent of its capacity before charging.

As your battery ages, the maximum capacity that it can hold naturally decreases, and even the best maintained batteries eventually need to be retired. Consider replacing the battery if you are not getting the usage you need from it.

The charging light doesn’t flash

Verify that a battery is installed in the unit.

Check AC power connection.

Check the Power Profiler to see if the gas guage is full.

The ambient temperature rises rapidly when charging the battery at room temperature

This is normal. The internal ambient temperature is always 0º to 16º higher than the external ambient temperature. Ambient temperature is not used for charge termination criteria.

79-0030-001 11 January 2001

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Cingular X-C 6250 Pro (300) manual Batteries don’t last very long, Charging light doesn’t flash

X-C 6250 Pro (300) specifications

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