3Power42The computer operates on AC or battery power.This section contains the information you need toknow to operate the computer on battery power.This section also includes information about thecomputer’s unique power management system.Battery PackThe computer uses a single high-capacity Lithium-Ion smart battery pack that gives you longer usebetween charges. The battery pack includes thefollowing features:q Lithium-Ion Technology. Lithium-iontechnology does not have the memory-effectproblem of nickel–cadmium (NiCd) batteries,nor the temperature problem of nickel–metal–hydride (NiMH) batteries. Lithium ionbatteries consistently provide the longestbattery life and the best solution for roadwarriors.q Battery Gauge. The battery pack contains abuilt-in gauge that allows you to check thebattery charge level even when the battery isnot installed inside the computer.q Battery-Low Warning. When the batterycharge level becomes low, the batteryindicator flashes at regular intervals, warningyou that the battery pack’s power is low andneeds to be recharged.