1. Do not short-circuit . A short-circuit may cause severe damage to your laptop battery.
2. Store it in a cool and dry place (The suitable temperature is about 15°C). Before storage, you should confirm your Sony VAIO VGN-SZ battery is not fully depleted. If empty, charge for about 30 minutes.
3. Usually a lithium-ion battery should be stored at about 40% state-of-charge, because laptop battery's self discharge can break the battery in the storage.
4. Please take out the Sony VAIO VGN-SZ from your machine when it is not being used and clean it with soft and dry cloth.
5. Do not drop, hit or otherwise abuse the notebook battery as this may result in the exposure.
6. Especially avoid regularity ove-rcharging and over-discharging and high temperature.
7. The life span of a laptop battery is about 1.5 to 3 years under normal the rechargeable battery begins to die, the user will notice a decline in the running time of the battery.