Toshiba Tecra A3-S711 Maintenance Manual - Page 30

Batteries, 6.1 Main Battery

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1.6 Batteries 1 Hardware Overview 1.6 Batteries The computer has two types of battery: ? Main battery pack (18650 size) ? RTC battery The removable main battery pack is the computer's main power source when the AC adaptor is not attached. The battery specifications are listed in the table below. Battery name Main battery Material Lithium-Ion RTC battery Lithium Output voltage 14.8 V 3 V Capacity 6450mAH/ 4300mAH 14 mAH/15 mAH 1.6.1 Main Battery Battery charging is controlled by a power supply microprocessor that is mounted on the system board. The power supply microprocessor controls whether the charge is on or off and detects a full charge when the AC adaptor and battery are attached to the computer. The system charges the battery using quick charge or trickle charge. ? Quick Battery Charge When the AC adaptor is attached, there are two types of quick charge: quick charge when the system is powered off and normal charge when the system is powered on. The times required for charges are listed in the table below. Status Normal charge (power on) Quick charge (power off) Charging time 12 hours or longer About 4 hours Tecra A3/S2 Series Maintenance Manual 1-21

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1.6
Batteries
1
Hardware Overview
Tecra A3/S2 Series Maintenance Manual
1-21
1.6
Batteries
The computer has two types of battery:
?
Main battery pack (18650 size)
?
RTC battery
The removable main battery pack is the computer’s main power source when the AC adaptor is
not attached.
The battery specifications are listed in the table below.
Battery name
Material
Output voltage
Capacity
Main battery
Lithium-Ion
14.8 V
6450mAH/
4300mAH
RTC battery
Lithium
3 V
14 mAH/15 mAH
1.6.1 Main Battery
Battery charging is controlled by a power supply microprocessor that is mounted on the system
board. The power supply microprocessor controls whether the charge is on or off and detects a
full charge when the AC adaptor and battery are attached to the computer.
The system charges
the battery using quick charge or trickle charge.
?
Quick Battery Charge
When the AC adaptor is attached, there are two types of quick charge: quick charge when
the system is powered off and normal charge when the system is powered on.
The times required for charges are listed in the table below.
Status
Charging time
Normal charge (power on)
12 hours or longer
Quick charge (power off)
About 4 hours