About this replacement
Designed for HP devices. Compatible models include iPAQ 5100, iPAQ 5150, iPAQ 5151, iPAQ 5155, iPAQ 5400, iPAQ 5450, iPAQ 5455, iPAQ 5500, iPAQ 5550, iPAQ h5100, iPAQ h5150, iPAQ h5151. Replacement part numbers include 290483-B21. Key specifications: 3.7V, 2400mAh, Li-Polymer.