Sony VAIO PCG-V505ACK User Manual page 12

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.
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