HQRP Replacement Battery for Creative Zen Micro DAA-BA0009 MP3 Player , Li-Ion , Extra High Capacity plus HQRP Screen Protector HQRP Replacement MP3 battery plus HQRP Screen Protector; 850mAh Extra High Capacity , 3.7v; Chemistry: Li-Ion; Battery is completely compatible with batteries of smaller capacity; No Memory Effect, The battery can be recharged without loss of capacity; 200 days warranty!