9 Getting StartedUseful InformationTroubleshootingAppendixDo Not Use with Any Other ComputerThe battery pack is rechargeable and was intended forthe specified computer or charger. If it is used with a com-puter other than the one for which it was designed, elec-trolyte leakage, generation of heat, ignition or rupture mayresult.Do Not Charge the Battery Using the Methods OtherThan Indicated in This ManualIf the battery pack is not charged using one of the meth-ods indicated in this manual, electrolyte leakage, genera-tion of heat, ignition or rupture may result.Do Not Throw the Battery Pack into a Fire or Expose Itto Excessive HeatGeneration of heat, ignition or rupture may result.Avoid Extreme Heat (Near the Fire, in Direct Sunlight,for Example)Electrolyte leakage, generation of heat, ignition or rupturemay result.Do Not Insert Sharp Objects into the Battery Pack,Expose It to Bumps or Shocks, Disassemble, or Mod-ify ItElectrolyte leakage, generation of heat, ignition or rupturemay result.Do Not Short the Positive (+) and Negative (-) Con-tactsGeneration of heat, ignition or rupture may result. Do notplace the battery pack together with articles such as neck-laces or hairpins when carrying or storing.Do Not Use This Computer with a Battery Pack OtherThan the One SpecifiedUse only the specified battery pack (CF-VZSU47) withyour CF-W5. Use of battery packs other than those manu-factured and supplied by Panasonic may present a safetyhazard (generation of heat, ignition or rupture).z Do not touch the terminals on the battery pack. Thebattery pack may no longer function properly if thecontacts are dirty or damaged.z Do not expose the battery pack to water, or allow it tobecome wet.z If the battery pack will not be used for a long period oftime (a month or more), charge or discharge (use) thebattery pack until the remaining battery level becomes30% to 40% and store it in a cool, dry place.z This computer prevents overcharging of the battery byrecharging only when the remaining power is less thanapprox. 95% (when Economy Mode (ECO) is enabled:75%) of capacity.z The battery pack is not charged when the computer isfirst purchased. Be sure to charge it before using it forthe first time. When the AC adaptor is connected tothe computer, charging begins automatically.z Should the battery leak and the fluid get into youreyes, do not rub your eyes. Immediately flush youreyes with clear water and see a doctor for medicaltreatment as soon as possible.NOTEz The battery pack may become warm duringrecharging or normal use. This is completely nor-mal.z Recharging will not commence if internal tempera-ture of the battery pack is outside of the allowabletemperature range (0 °C to 55 °C {32 °F to 131°F}). (Î Reference Manual “Battery Power”)Once the allowable range requirement is satisfied,charging begins automatically. Note that therecharging time varies based on the usage condi-tions. (Recharging takes longer than usual whenthe temperature is 10 °C {50 °F} or below.)z If the temperature is low, the operating time isshortened. Only use the computer within theallowable temperature range.z The battery pack is a consumable item. If theamount of time the computer can be run by using aparticular battery pack becomes dramaticallyshorter and repeated recharging does not restoreits performance, the battery pack should bereplaced with a new one.z When transporting a spare battery inside a pack-age, briefcase, etc., it is recommended that it beplaced in a plastic bag so that its contacts are pro-tected.z Always power off the computer when it is not inuse. Leaving the computer on when the AC adap-tor is not connected will exhaust the remaining bat-tery capacity.Precautions (Battery Pack)