Sony VGN-FE770G User Guide - Page 167
On Using the Battery Pack - disassembly
UPC - 027242704428
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n 167 N Precautions On Using the Battery Pack ❑ Do not leave battery packs in temperatures above 140°F (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 battery packs at temperatures between 50°F to 86°F (10°C to 30°C). Lower temperatures require longer charging time. ❑ This computer is designed to operate only with genuine Sony batteries. ❑ While the battery pack is in use or being charged, heat builds up in the battery pack. 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 your computer for a long period of time, remove the battery pack from the computer to prevent damage to the battery pack. ❑ 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 pack before recharging. ❑ If you have not used the battery pack for a considerable amount of time, recharge the battery pack.