User Manual

1-26 System Overview
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to the manufacturer’s instructions.
The removable battery pack, with on-line charge capability, comes standard
with A770. The battery pack provides power to the system when the AC
power ( AC adapter) is “Off” or not connected. It has a 97whr capability and
will operate the unit for up to two hours. The primary battery type is Li-ion. At
3.7V, the battery pack consists of twelve cells. The capacity of each cell is
2200mAH or more. The output voltage of the battery pack is 11.1VDC. The
A770 can be fitted with up to two battery. The primary (97whr) and an
auxiliary battery (65whr). The batteries can be hot-swapped.
CAUTION
Use only the battery pack indicated in this manual. Do not
dispose of batteries in a fire. They may explode. Check with
local codes for possible special disposal instructions.
NOTES:
?? Recommend always charge the battery pack with the computer powered off.
?? Do not charge the battery repeatedly before it is discharged completely.
?? Recharge the battery pack when the remaining battery capacity is less than 95% to
avoid overcharging.
NOTE: The battery level may drops automatically due to the self-discharge process (0.21%
per day), even when the battery pack is fully charged (100%). This happens either with the
battery pack installed in the computer or stored separately.
The battery pack is not charged when the computer is first bought. Make
sure to charge it for at least 8 hours before using it for the first time.
Charging starts automatically when the AC adapter is plugged in to the
computer.