Help Guide
Digital Music Player
NW-WM1A/WM1Z
What is the battery lifespan?
The built-in rechargeable battery can be charged approximately 500 times.
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.
4-593-855-13(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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