2009-01-07 12:01:22
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Lithium-manganese dioxide (Li-MnO2) - LM/M cell ranges

Non rechargeable battery
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The Saft LM/M cylindrical primary lithium cells are based on lithium-manganese dioxide (Li-MnO2) chemistry.

They feature high surface area spiral electrodes for maximum current pulse capability and electrolyte formula for excellent performance in the cold. They are designed specifically for applications featuring continuous currents in the 0.1-5 A range, with superimposed pulses as high as 5 A.

Saft-branded LM cells are manufactured in the USA.
Friwo-branded M cells are made in Germany.

Construction features

  • spiral electrodes
  • stainless steel container
  • hermetic and sturdy glass-to-metal sealing
  • built-in safety vent
  • available as individual batteries (size ⅓ A to D; with or without tabs) or multi-cell battery packs

 

Main applications

  • military radiocommunication
  • sonobuoys
  • emergency location transmitters beacon (ELTs, EPIRBs)
  • professional electronics
  • measuring equipment
  • cardiac defibrillators

 

Benefits

  • high voltage, stable during most of the application lifetime
  • wide operating temperature range (-40°C to +70°C)
  • excellent resistance to passivation, even after long-term storage in uncontrolled temperature environments
  • excellent performance below -20°C
  • non-corrosive (but flammable) organic electrolyte
  • less than 3% capacity loss per year, during storage at ambient T before use
  • released capacity independent from cell orientation
  • compliance with the European directive RoHS
  • excellent safety records

 
Download literature
  • Market brochures
  • Selector guide
  • MSDS
  • Data sheet
Technical characteristics
  • 3.2 V open circuit voltage
  • operating voltage (depending on conditions) typically above 2.5 V
  • nominal capacities spanning the 0.5 to 10.5 Ah range
  • compliance with numerous military standards

 

 LM spiral cells

 LM 17130 LM 22150
 M 52 HR  
Size 1/3 A 1/3 sub-C C    
Open Circuit Voltage 3.2 V 3.2 V 3.2 V    
Nominal Voltage 3.0 V 2.7 V 3.0 V    
Nominal capacity (drain; 2.0 V cut-off) 0.5 Ah (4.5 mA ) 0.9 Ah (40 mA) 4.5 Ah (800 mA)    
Max. recom. cont.current 0.3 A 0.4 A 1.2 A    
Operating temp. range -40/+70°C -40/+70°C -40/+70°C    
Outside diameter max 16.7 mm 22.8 mm 26.0 mm    
height max 16.6 mm 17.3 mm 51.0 mm    
Weight 8 g 15 g 59 g    
Transport Non restricted Non restricted Class 9    

 

 

 LM spiral cells

 M 20* M 20 HR* M 24 HR* M 62*
  
Size D D DD «Big» DD  
Open Circuit Voltage 3.2 V 3.2 V 3.2 V 3.2 V  
Nominal Voltage 3.0 V 3.0 V 3.0 V 3.0 V  
Nominal capacity  (drain; 2.0 V cut-off) 10.5 Ah (500 mA) 10.5 Ah (2.0 A) 20.0 Ah (2.0 A) 33.0 Ah (1.6 A)  
Max. recom. cont.current 2.0 A 2.5 A 4.0 A 5.0 A  
Operating temp. range -40/+70°C* -40/+70°C* -40/+70°C* -40/+70°C*  
Outside diameter max 34.0 mm 34.0 mm 33.5 mm 42.0 mm  
Height max 61.0 mm 61.0 mm 111.0 mm 133.0 mm  
Weight 115 g 117 g 201 g 355 g  
Transport Class 9 Class 9 Class 9 Class 9  

 * Friwo cells

Data in this page is subject to change without notice and becomes contractual only after written confirmation by Saft.