Toshiba A20-S259 Maintenance Manual - Page 44
RTC battery, Hardware Overview, 10 Batteries, Table 1-10
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1 Hardware Overview 1.10 Batteries 1.10.4 RTC battery The RTC battery provides power to keep the current date, time and other setup information in memory while the computer is turned off. Table 1-10 lists the charging time and data preservation period of the RTC battery. The adapter or main battery charges the RTC battery, while the computer is powered on. Table 1-10 RTC battery charging/data preservation time Status Charging Time (power on) Data preservation period (full charge) Time About 8 hours 1 month 1-30 Satellite A20 Maintenance Manual (960-444)
![](/manual_guide/products/toshiba-a20s259-maintenance-manual-04f2f30/44.png)
1
Hardware Overview
1.10 Batteries
1-30
Satellite A20 Maintenance Manual (960-444)
1.10.4 RTC battery
The RTC battery provides power to keep the current date, time and other setup information
in memory while the computer is turned off. Table 1-10 lists the charging time and data
preservation period of the RTC battery. The adapter or main battery charges the RTC battery,
while the computer is powered on.
Table 1-10
RTC battery charging/data preservation time
Status
Time
Charging Time (power on)
About 8 hours
Data preservation period (full charge)
1 month