RECHARGEABLE 3.7V 90MAH LI ION BATTERY 350926 Li polymer Batteries FOR MP3 player MP4 MP5 BLUETOOTH HEADSET GPS headphone awei|Replacement Batteries| - AliExpress
REPLACE BATTERY SONY MP3 PLAYER NWD B103F - YouTube
Teardown: $1.45 Chinese MP3 Player : psmay
vhbw Battery compatible with Creative Labs Zen Vision M, M 30GB MP3-Player Music Player (1400mAh, 3.7V, Li-Ion): Amazon.co.uk: Electronics & Photo
Rechargeable 1200mah Li-po Battery 103040 Li-ion Lipo Cells Lithium Li-po Polymer Battery For Mp3 Mp4 Dvd Gps Bluetooth Headset - Rechargeable Batteries - AliExpress
Trying to replace this MP3 player battery but can't identify the connector : r/ElectronicsRepair
Eclipse 180G2 MP3 Video Player Battery Replacement - iFixit Repair Guide
August Portable Rechargeable Cd Player With Speaker SE10B Aux 3.5Mm Out & Mp3 Player For Home & Car Anti-shock Built-in Battery | Robert Dyas
UK Universal Mobile Phone PDA MP3 Player and Digital Camera Battery Charger with USB