Sony PCG-R505JL - Manual (Page 31)

Connecting a Power Source
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❑ Never leave the battery pack in temperatures above 140° F (60° C), such as
under direct sunlight or in a car parked in the sun.
❑ Battery life is shorter in a cold environment. This is due to decreased battery
efficiency at low temperatures.
❑ Charge the battery at temperatures between 50° F and 80° F (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 notebook for an extended period of time, remove the
battery pack from the notebook 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 completely before recharging.
❑ If you have not used the battery pack for a considerable amount of time,
recharge the battery.