Built-in protection circuit (PCM) prevents over charging/discharging. Polarity: Red (+) / Black (-) / Yellow (T). Incorporated third temperature sensor wire.
USBC Rechargeable Gumstick Battery NC-6WM NH-14WM NH-10WM For SONY WALKMAN
Sony LIP-4WM Hi-MD MiniDisc Walkman Gumstick Battery - 3.7V 500mAh
Sony Walkman NWZ-B135 NWZ-B162 NWZ-B183 MP3 Player Battery - 3.7V 180mAh 361843
Sony Walkman NWZ A/S MP3 Player Battery - 3.7V 900mAh LIS1374HNPA 383450
Sony Walkman NWZ A/E/S XB650 XB950 MP3 Battery - 750mAh LIS1427 LIS1374 ZU10192
Sony Walkman SRS-BTV5 NWZ A/E/B MP3 Player Battery - 3.7V 380mAh LIS1425 274237
