HP D6028-90004 - Manual (Page 95)

Appendix E Battery Operation
89
Replacement
To replace the HP TopTools Remote Control battery pack (Part No. 5183-6570)
contact your HP Sales and Service office. In the U.S. call (800) 227-8164. To
order a replacement battery pack from Hewlett-Packard, refer to its Part Number.
Battery Disposal
Nickel Metal-Hydride batteries should be disposed of in a responsible fashion
according to the laws in the country where the card is used.
CAUTION Do not crush, puncture, or incinerate the battery. Do not short
the battery’s external contacts.