SONY PCG-9W8L Battery Tips:

In order to prolong the battery life, please pay close attention to battery maintenance. Rechargeable battery will undergo self-discharging when left unused for a long period of time. Thus, it should always be stored in a 50% charging state and kept in a cool, dry and clean place. To maintain the optimum performance of a battery pack, it is highly recommended to cycle (fully discharging and recharging) it at least once a month. If the laptop runs on adapter, you may take out the battery.

Here are some tips to make your Sony pcg-9w8l battery last a long time:

• Use the correct recharging procedure for your pcg-9w8l laptop. Only use the power cord that came with your Sony laptop or an authorized replacement pcg-9w8l battery.
• Follow correct maintenance for your Sony pcg-9w8l Battery when not in use. Don't leave it in direct sunlight, areas where it will be exposed to extreme temperatures such as car trunks.
• Use your Sony pcg-9w8l laptop's power management features. The system will run at lower processor speeds when enabling power management features and it will go into " sleep " mode faster when inactive.
• Buy pcg-9w8l Battery with internal processors such as Li-Ion batteries.
• Non Li-Ion batteries must be fully discharged and then recharged every 2-3 weeks.
• If you don't use your Sony pcg-9w8l laptop for a period of time, you must fully discharge then recharge the Sony battery.