Capacity: 2200mAh Battery Type: Li-Polymer Voltage: 3.7V Model numbers fit to: HP iPAQ rw6800, iPAQ rw6815, iPAQ rw6818, iPAQ rw6828, iPAQ hw6800 Extended cover Compatible battery part numbers: AHL03715206, 603FS20152 RoHS approved for toxic free. CE and ISO9001 Certified for Quality Assurance. Search Tip: Press Ctrl and F keys to prompt a search dialogue box, then type in your device's model number and click 'Find Next'.