Toshiba M200-ST2002 Maintenance Manual - Page 30

1 Hardware Overview 1.6 Batteries 1.6 Batteries The PC has the following two batteries. q Main battery q Real time clock (RTC) battery Table 1-6 lists the specifications for these two batteries. Table 1-6 Battery specifications Battery Name Main battery G71C0003D110 Real time clock (RTC) battery G71C0003D210 GDM710000003 Battery Element Lithium ion Lithium ion Output Voltage 10.8 V 2.4 V Capacity 4,400 mAh 17 mAh 1.6.1 Main Battery The main battery is the primary power supply for the computer when the AC adapter is not connected. In resume (instant recovery) mode, the main battery maintains the current status of the computer. 1.6.2 Battery Charging Control Battery charging is controlled by a power supply microprocessor. The power supply microprocessor controls power supply and detects a full charge when the AC adapter and battery are connected to the computer. The system charges the battery using quick charge or trickle charge. 1-16 Portege M200 Maintenance Manual (960-457)