Operation Guide
Page 99
... time, even after charging the battery fully, the battery should be replaced. Consult your nearest Sony dealer. Copyright-protected contents are played. When copyright-protected contents are played, battery life may be improved by repeatedly charging and discharging it is possible to save the battery power and use the player for a longer time (...
... time, even after charging the battery fully, the battery should be replaced. Consult your nearest Sony dealer. Copyright-protected contents are played. When copyright-protected contents are played, battery life may be improved by repeatedly charging and discharging it is possible to save the battery power and use the player for a longer time (...