600mAh Li-PL Battery For Microsoft Zune 4GB, Zune 8GB, Zune Flash, Zune HSA-00001, Zune HSA-00003, Zune HSA-00005, Zune HVA-00003, Zune HVA-00020, Zune HSA-00026, Zune HSA-00029, Zune HVA-00001, Zune HVA-00005, Zune HVA-00018, Zune HVA-00030, Zune HVA-000 600mAh Li-PL Battery Brand New 12 Months Warranty ISO9001, CE, RoHS Certificate Fit Part Number: X814398-001