Sony
N
o
tebook
U
s
er Guide
Precautions
97
On using the battery pack
❑
Never leave the battery pack in temperatures above 60
°
C, such as in a car parked in the sun or under
direct sunlight.
❑
Battery life is shorter in a cold environment. This is due to decreased battery efficiency at low
temperatures.
❑
Charge the batteries at temperatures between 10
°
C to 30
°
C. Lower temperatures require a longer
charging time.
❑
While the battery is in use or being discharged, the battery pack heats up. This is normal and is not cause
for concern.
❑
Keep the battery pack away from all sources of heat.
❑
Keep the battery pack dry.
❑
Do not open or try to disassemble the battery pack.
❑
Do not expose the battery pack to any mechanical shock.
❑
If you are not using the computer for an extended period of time, remove the battery pack from the
computer to prevent damage to the battery.
❑
If, after fully charging the battery pack, the battery power is still low, the battery pack may be reaching
the end of its life and should be replaced.
❑
You do not need to discharge the battery before recharging.
❑
If you have not used the battery pack for a considerable amount of time, recharge the battery.
On using earphones
❑
Road safety
– Do not use earphones while driving, cycling, or operating any motorized vehicle. It may
create a traffic hazard and is illegal in some areas. It can also be potentially dangerous to play loud music
while walking, especially at pedestrian crossings.