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1.10 Batteries
The 200 series has three types of batteries:
Main battery pack
Backup battery
Real Time Clock (RTC) battery
Battery specifications are listed in Table 1-9.
Battery name
Main battery
Backup battery
RTC battery
1.10.1
Main Battery
The removable main battery pack is the computer's main power source when the AC power
cord is not attached. The main battery recharges the backup battery. The backup and main
batteries maintain the state of the computer when you enable AutoResume.
Battery Icon
The battery icon is located on top of the back rim of the 200 series. The icon shows
the status of the removable battery pack.
The status of each can be determined by color:
Orange
Green
Blink orange
No light
1.10.2
Battery Charging Control
Battery charging is controlled by a power supply microprocessor. The microprocessor
controls whether the charge is on or off and detects a full charge when the AC power cord
and battery are attached to the computer. The system charges the battery using quick charge
or trickle charge.
200 Series
Table 1-9 Battery specifications
Material
Nickel Metal Hydride
Nickel Metal Hydride
Nickel Metal Hydride
The battery is being charged. (AC power cord is attached.)
The battery is fully charged. (AC power cord is attached.)
The battery is low when the power is on.
Under any other conditions, the LED does not light.
Output voltage
Capacity
12 V
2,800 mAH
7.2 V
110 mAH
3.6 V
30 mAH
1-17
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