This lithium battery lasts longer than ordinary alkaline batteries with higher energy density, wider operating temperature range and lighter weight. Consumer-replaceable battery lasts on average two times longer than ordinary alkaline 9-volt batteries. Using this alarm battery in your ionization smoke detector will give you a working smoke alarm for years.
                                                                             
                                    
                                        
                                                                                               General Information 
  Manufacturer:  Spectrum Brands, Inc
  Manufacturer Part Number:  R9VL1CT
  Manufacturer Website Address:  http://www.spectrumbrands.com
  Product Name:  9V Lithium Battery
  Packaged Quantity:  12 / Carton
     Battery Information 
  Application/Usage:  Multipurpose
  Battery Size:  9V
  Battery Chemistry:  Lithium (Li)
  Output Voltage:  9 V DC
     Miscellaneous 
  Compatibility:  Smoke Detector