Toshiba Satellite Pro L450-W1543 Maintenance Manual - Page 32

Error! Style not defined. Error! Style not defined. 1.5 Batteries The computer has the following two types of batteries:  Main Battery Pack  Real Time Clock (RTC) Battery 1 Hardware Overview 1.5.1 Main 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.  3-cell LI-ION / 6-cell LI-ION  Inserted from bottom side  Charging time 12 hrs max.(System on)/ 4 hrs max. (System off)  One hour quick charge to 60%~70% 1.5.2 Battery Charging Control Battery charging is controlled by EC KB926. When the AC adapter and battery pack are attached to the computer, the EC KB926 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 1-3 Quick/Normal Charging Time State Off-State Charge On-State Charge 3/6 Cell 3/6 Cell Charge Time About 4 hours max About 12 hours max Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual 1-15