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• PANASONIC CF-VZSU60U notebook batteries pack  for PANASONIC Toughbook CF-N10 S10
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• PANASONIC CF-VZSU59U notebook batteries pack  for PANASONIC Toughbook CF-N10 CF-S10
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1. Your new Panasonic CF-VZSU40 notebook Battery comes in a discharged condition and must be charged before use (refer to your computer manual for charging instructions). Upon initial use (or after a prolonged storage period) the battery may require two to three charge/discharge cycles before achieving maximum capacity.
2. When charging CF-VZSU40 Battery for the first time your computer may indicate that charging is complete after just 10 or 15 minutes. This is a normal phenomenon with rechargeable batteries. Simply remove the notebook rechargeable batteries pack from the computer and repeat the charging procedure.
3. If Panasonic CF-VZSU40 Battery packwill not be in use for a month or longer, it is recommended that it be removed from the device and stored in a cool, dry, clean place.
4. It is normal for CF-VZSU40 laptop computer Battery to become warm during charging and discharging.
5. A charged Panasonic CF-VZSU40 laptop Battery will eventually lose its charge if unused. It may therefore be necessary to recharge the battery after a storage period.