Sony PCG-GRX690P - Manual (Page 23)

Using the Battery
23
Notes on batteries
❑ Never leave the battery in temperatures above 140°F (60°C), such as under
direct sunlight or in a car parked in the sun.
❑ While the battery is in use or being discharged, the battery heats up. This is
normal and is not cause for concern.
❑ Keep the battery away from all sources of heat.
❑ Keep the battery dry.
❑ Do not open or disassemble the battery.
❑ Do not expose the battery to any mechanical shock.
❑ Battery life is shorter in a cold environment because of decreased battery
efficiency at low temperatures.
Frequently asked questions
How do I know when the battery is charged?
To determine the remaining battery charge, see “Displaying battery information.”
When is the computer using AC power?
When the computer is directly connected to the AC adapter, it uses AC power,
even if a battery is installed.
When should I recharge the battery?
❑ When the battery level falls below 10 percent.
❑ When both the battery and power indicators blink.
❑ When you have not used the battery for a long time.