HQRP Replacement Battery fits CREATIVE NOMAD MuVo2. Jukebox Zen Xtra .Jukebox Zen NX Series MP3 Player + HQRP Screen Protector HQRP Replacement MP3 Battery plus HQRP Universal Screen Protector; Capacity: 1000mAh; Voltage: 3.7V No Memory Effect, The battery can be recharged without loss of capacity; The battery is completely compatible with batteries of smaller capacity 200 days warranty.