• Fully charge/discharge Sony BP-90 battery up to 4 cycles before achieving full capacity of a new Sony BP-90 battery
• Fully discharge and then fully charge the Sony BP-90 battery every two to three weeks for battery conditions.
• Run the device under the Sony BP-90 battery's power until it shuts down or until you get a low battery warning. Then recharge the Sony BP-90 battery as instructed in the user's manual.
• Remove from the device and stored in a cool, dry, clean place if the Sony BP-90 battery will not be in use for a month or longer.
• Recharge the Sony BP-90 battery after a storage period.
• Ensure maximum performance of the Sony BP-90 battery by optimizing the device's power management features. Refer to the manual for further instructions.

• Do not short-circuit. A short-circuit may cause severe damage to the Sony BP-90 battery.
• Do not drop, hit or otherwise abuse the Sony BP-90 battery as this may result in the exposure of the cell contents, which are corrosive.
• Do not expose the Sony BP-90 battery to moisture or rain.
• Keep Sony BP-90 battery away from fire or other sources of extreme heat. Do not incinerate. Exposure of battery to extreme heat may result in an explosion.

Breaking In New Sony BP-90 Batteries - new Sony BP-90 batteries come in a discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge your new Sony BP-90 battery two to four times to allow it to reach its maximum rated capacity.

Preventing the Memory Effect - Keep your Sony BP-90 battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries which do not suffer from the memory effect.

Keep Your Sony BP-90 Batteries Clean - It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and your portable device.

Exercise Your Sony BP-90 Battery - Do not leave your Sony BP-90 battery dormant for long periods of time. We recommend using the Sony BP-90 battery at least once every two to three weeks. If a Sony BP-90 battery has not been used for a long period of time, perform the new battery break in procedure described above.

Sony BP-90 Battery Storage - If you don't plan on using the Sony BP-90 battery for a month or more, we recommend storing it in a clean, dry, cool place away from heat and metal objects. NiCad, NiMH and Li-Ion batteries will self-discharge during storage; remember to break them in before use. Sealed Lead Acid (SLA) batteries must be kept at full charge during storage. This is usually achieved by using special trickle chargers. If you do not have a trickle charger, do not attempt to store SLA batteries for more than three months.

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