Sony Walkman NWZ-A15 NWZ-A17 MP3 Player Akku - 3,7 V 1000mAh ZU12029-13016
Sony Walkman NWZ-A15 NWZ-A17 NWZ-F800 MP3 Player Battery 3.7V 1000mAh ZU12029-13016 - 383759. Built-in protection circuit (PCM) prevents over charging/discharging. Polarity: Red (+) / Black (-) / White (T).