Sony WALKMAN NW-E393 Help Manual page 264

Help Guide
Troubleshooting
Digital Music Player
NW-E393/E394/E395
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The battery life is short.
If your Walkman is used in an environment where the temperature is below 5 °C (41
ºF), the battery life becomes shorter due to characteristics of the battery. This is not a
malfunction.
Charge the battery until it is full.
You can preserve the battery life and get more use from each charge by changing your
Walkman settings and managing the power appropriately.
Depending on the environment in which your Walkman is used, the battery may
deteriorate if it is not used for over a year. Contact your nearest Sony dealer.
If the usable battery life is half that when new even after sufficiently charging the
battery, your battery may have deteriorated. Contact your nearest Sony dealer.
Related Topic
Charging the battery
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