Toshiba Portege Z20t-B PT15BC-005012 Users Manual Canada; English - Page 74

Monitoring battery pack capacity, Battery pack type, Power off, Battery, Second Battery

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Battery pack type Power off Battery pack (36 Wh, 3 about 3 hours cell) With the second about 3.5 hours battery pack (36 Wh, 3 cell) Power on about 3 - 10 hours about 3.5 - 10 hours Be aware that the charging time when the computer is on is affected by ambient temperature, the temperature of the computer and how you are using the computer. If you make heavy use of external devices for example, the battery might scarcely charge at all during operation. Charging notice The battery pack might not begin charging immediately under the following conditions: The battery pack is extremely hot or cold (if the battery pack is extremely hot, it might not charge at all). To ensure the battery pack charges to its full capacity, charge it at room temperature of between 5°C to 35°C (41-95°F). The battery pack is nearly completely discharged. In this instance, leave the AC adaptor connected for a few minutes and the battery pack should begin charging. The Battery and/or Second Battery indicator might show a rapid decrease in battery operating time when you try to charge a battery pack under the following conditions: The battery pack has not been used for a long time. The battery pack has completely discharged and been left in the computer for a long time. In such cases, do the following: 1. Fully discharge the battery pack with power on until the system automatically turns itself off. 2. Connect the AC adaptor to the DC IN 19V jack, and to a wall outlet that is supplying power. 3. Charge the battery pack until the Battery and/or Second Battery indicator glows white. Repeat these steps two or three times until the battery pack recovers normal capacity. Monitoring battery pack capacity Remaining battery power can be monitored using the following methods. User's Manual 4-17

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Battery pack type
Power off
Power on
Battery pack (36 Wh, 3
cell)
about 3 hours
about 3 - 10 hours
With the second
battery pack (36 Wh, 3
cell)
about 3.5 hours
about 3.5 - 10 hours
Be aware that the charging time when the computer is on is affected by
ambient temperature, the temperature of the computer and how you are
using the computer. If you make heavy use of external devices for
example, the battery might scarcely charge at all during operation.
Charging notice
The battery pack might not begin charging immediately under the following
conditions:
The battery pack is extremely hot or cold (if the battery pack is
extremely hot, it might not charge at all). To ensure the battery pack
charges to its full capacity, charge it at room temperature of between
5°C to 35°C (41–95°F).
The battery pack is nearly completely discharged. In this instance,
leave the AC adaptor connected for a few minutes and the battery
pack should begin charging.
The
Battery
and/or
Second Battery
indicator might show a rapid decrease
in battery operating time when you try to charge a battery pack under the
following conditions:
The battery pack has not been used for a long time.
The battery pack has completely discharged and been left in the
computer for a long time.
In such cases, do the following:
1.
Fully discharge the battery pack with power on until the system
automatically turns itself off.
2.
Connect the AC adaptor to the DC IN 19V jack, and to a wall outlet
that is supplying power.
3.
Charge the battery pack until the
Battery
and/or
Second Battery
indicator glows white.
Repeat these steps two or three times until the battery pack recovers
normal capacity.
Monitoring battery pack capacity
Remaining battery power can be monitored using the following methods.
User's Manual
4-17