PowerSmart 3.60V, 2200mAh, Li-ion, Replacement MD Walkman Battery for SONY MZ-B3, MZ-E3, MZ-R2, MZ-R3, MZ-R30, MZ-R35, MZ-R4ST,Compatible Part Numbers:LIP-12, LIP-12H, by PowerSmart Buy new: $35.02 $10.99 (Visit the
Best Sellers in Minidisc Players list for authoritative information on this product's current rank.)