Sony PCG-F630 - Manual (Page 30)

Connecting a Power Source 15
❑ Battery life is shorter in a cold environment. This is due to decreased
battery efficiency at low temperatures.
❑
Charge the batteries 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 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.