HP h5400 - Manual (Page 262)

A–4 Reference Guide
Regulatory Notices
Battery Warning
Ä CAUTION: Danger of explosion if battery is incorrectly replaced.
Replace with only the same or equivalent type recommended by the
manufacturer. Dispose of used batteries according to the
manufacturer’s instructions.
Å WARNING: This computer contains an internal lithium polymer
battery pack. To reduce the risk of fire or burns, do not disassemble,
crush, puncture, short external contacts, or dispose of in fire or
water. Replacement should only be done by a HP authorized service
provider using the HP spare part for this computer.
Airline Travel Notice
Use of electronic equipment aboard commercial aircraft is at the
discretion of the airline.