Toshiba L635, L630 manual Main Battery, Battery Charging Control

1 Hardware Overview 1.7 Batteries

	12 Cell	Lithium Ion	10.8 V	9000 mAh
RTC Battery		Lithium Ion	3.0 V	14 mAh

1.7.1Main Battery

The main battery pack serves as the computer's main power source when the AC adapter is not attached. The main battery maintains the state of the computer so that it can resume it.

1.7.2Battery Charging Control

Battery charging is controlled by WINBOND NPCE781L. When AC adapter and battery pack are attached to the computer, the NPCE781L controls the charge on/off state and detects a full charge.

Battery Charge

When the AC adapter is attached, the battery is charged by off-state charge when the system is powered off or by on-state charge when it is powered on.

Table 1-5 Quick/Normal Charging Time

State		Charge Time
Off-State Charge	3/6/12 Cell		About 4 hours max
On-State Charge	3/6/12 Cell		About 4~10 hours max

NOTE: The time required for normal charge depends on the power consumption by the system. Using the fluorescent lamp and frequently accessing the disk consume much power and lengthen the charge time.

Any of the following cases stops battery charge:

1.The battery becomes fully charged.

2.The AC adapter or battery pack is removed.

22 Satellite/Satellite Pro/L630/L635 Maintenance Manual