Help Guide
Digital Music Player
NW-WM1A/WM1Z
The built-in rechargeable battery becomes depleted quickly even after the Walkman is
fully charged.
Limit the battery consumption to check if the battery condition improves.
If the battery life becomes half as short as normal, consider replacing the battery.
The battery life depends on the conditions of use, settings, and ambient temperature.
Furthermore, the following operations will deplete the battery more quickly than continuous use of the Walkman.
Turning the Walkman on or off frequently.
Changing the Walkman settings frequently.
Charging and discharging the battery repeatedly.
This will gradually decrease the capacity of the battery. As a result, the battery may become depleted quickly even
after it is fully charged.
To replace the battery, contact the nearest Sony dealer or Sony Service Center.
4-593-855-13(1) Copyright 2016 Sony Corporation
The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.
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