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Help Guide
Digital Music Player
NW-WS623/WS625
The built-in rechargeable battery becomes depleted quickly even after the Walkman is
fully charged.
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.
The battery can be charged approximately 500 times on average.
However, the battery lifespan depends on the temperature and usage environment.
When the life of a fully charged battery becomes half as short as normal, consider replacing the battery.
To replace the battery, contact the nearest Sony dealer or Sony Service Center.
Do not replace the battery yourself. The battery is built into the Walkman. Battery replacement requires professional
knowledge and skills.
4-688-892-12(1) Copyright 2017 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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