Synergy Digital Player Battery, Compatible with Philips GoGear Muse Player, (Li-Pol, 3.7V, 1400mAh) Ultra High Capacity, Replacement for Philips Battery - Walmart.com
SA4MUS08KF/12 Philips MP4 player with FullSound™
Battery Replacement for Philips MC-163-500 ID 5552B ID 555 ID 5551B 5-2770 5-2762 BF021P - Newegg.com