HP EliteBook 2540p Notebook PC - Manual (Page 76)

Disposing of a used battery
WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short
external contacts; do not dispose of in fire or water.
Refer to the Regulatory, Safety and Environmental Notices for battery disposal information.
Replacing the battery
Computer battery life varies, depending on the power management settings, programs running on the
computer, display brightness, external devices connected to the computer, and other factors.
NOTE: To ensure that you always have battery power when you need it, HP recommends purchasing
a new battery when the storage capacity indicator turns green-yellow.
64 Chapter 5 Power management