Gomadic High Capacity Rechargeable External Battery Pack suitable for the Cowon S9 - Portable Charger with TipExchange Technology - Walmart.com
COWON S9 3.3" 32GB MP3 / MP4 Player - Newegg.com
Amazon.com: Gomadic USB Data Hot Sync Straight Cable for The Cowon S9 with Charge Function – Two Functions in one Unique TipExchange Enabled Cable : Electronics
New Battery for COWON iAUDIO Z2 J3 S9 D3 M3 U3 I9 I10 Player Li-Polymer Rechargeable Pack Replacement 3.7V - AliExpress