Toshiba AT270 - Manual (Page 26)

Battery type Time
Battery (1 cell, 15.2Wh) about 7 hours (in use)
about 3 days (sleep mode)
Please be aware that the battery exhausted time will be affected by how
you are using the tablet.
Battery charging notice
The battery may not begin charging immediately under the following
conditions:
The battery is extremely hot or cold (if the battery is extremely hot, it
might not charge at all). To ensure the battery charges to its full
capacity, you should charge it at room temperature of between 5°C to
35°C (41°F to 95°F).
The battery is nearly completely discharged. In this instance, the tablet
can’t be turned on immediately. You should leave the AC adaptor
connected for a few minutes and the battery should begin charging. A
battery meter icon ( ) will appear indicating the charging status.
The indicator may show a rapid decrease in battery operating time when
you try to charge a battery under the following conditions:
The battery has not been used for a long time.
The battery has completely discharged and been left unattended for a
long time.
In such cases you should follow the steps as detailed below:
1.
Fully discharge the battery when powered on until the system
automatically turns the tablet off.
2. Connect the AC adaptor to the docking interface of the tablet, and to a
wall outlet that is supplying power.
3. Charge the battery until the battery meter reaches its full capacity.
Repeat these steps two or three times until the battery recovers normal
capacity.
User's Manual 3-13