ACUSON Freestyle User Manual 2-41Safety and CareWARNING: The polarity of the battery terminals is fixed and cannot be switched orreversed.WARNING: Do not force the battery into its compartment in the probe.WARNING: Do not connect the battery to an electrical power outlet.WARNING: Do not continue to recharge a battery if it does not recharge properly aftertwo successive six hour charging cycles.WARNING: If the battery leaks or emits an odor, remove it from all possible flammablesources.WARNING: Do not attempt to recharge non-rechargeable batteries, such as the batteriesincluded on printed circuit boards. Recycle non-rechargeable batteries according to local,state, and regional regulations.CAUTION: Remove the battery from the probe if the probe is not likely to be used for anextended period. Prior to storage charge or discharge the battery to approximately 50% ofcapacity.CAUTION: To avoid the battery bursting, igniting, or emitting fumes from the battery andcausing equipment damage, observe the following precautionsCAUTION: Do not immerse the battery in liquid if it is damaged or the housing is cracked.CAUTION: Do not immerse the battery in any liquid not listed in the chapter “Cleaning,Disinfection, and Sterilization,” and do not submerge a battery beyond the time periodsspecified in the instructions for recommended liquids.CAUTION: If the battery emits an odor or heat, is deformed or discolored, or in any wayappears abnormal, immediately remove it from use.CAUTION: Do not put the battery into a microwave oven or pressurized container.CAUTION: Store the battery between 5º C and 60º C (41º and 140º F).CAUTION: Use only Siemens-supplied batteries and charging devices.