Toshiba WT8-B - Manual (Page 44)

Procedures
To recharge the battery pack, connect the AC adaptor to the Micro-USB
port on the tablet and plug the other end into a working outlet.
Use only the tablet connected to an AC power source or optional TOSHIBA
Battery charger to charge the battery pack. Never attempt to charge the
battery pack with any other charger.
Charging Time
The following table shows the approximate time required to fully charge a
discharged battery.
Please be aware that the charging time when the tablet is on is affected by
ambient temperature, the temperature of the tablet and how you are using
the tablet - if you make heavy use of external devices for example, the
battery might scarcely charge at all during operation.
Charging time for TOSHIBA WT10-A
Battery type Power off Power on
Battery pack (22.5Wh, 2 cell) about 6 hours about 8 hours
Charging time for TOSHIBA WT8-B
Battery type Power off Power on
Battery pack (15Wh, 1 cell) about 6 hours about 8 hours
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 you
should leave the AC adaptor connected for a few minutes and the
battery should begin charging.
The battery may have 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 in the tablet for a
long time.
User's Manual 4-4