CM850 Electronic Control System – 018-021   Electrical System

Specifications

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Minimum Recommended Battery Capacity:   
     – ISC/QSC/ISL/QSL   
System Voltage Ambient Temperatures
  ?18°C [0°F]
  Cold Cranking Amperes Reserve Capacity1 (Minutes)
12-VDC 1800 640
24-VDC2 900 320

The number of plates within a given battery size determines reserve capacity. Reserve capacity is the length of time for which a battery at 27°C [80°F] can supply 25 amperes at 10.5 volts or greater.

CCA ratings are based on two 12-VDC batteries in series.

 

Minimum Recommended Battery Capacity:   
     – ISB/QSB   
System Voltage Ambient Temperature
  ?18°C [0°F]   ?29°C [?20°F]  
  Cold Cranking Amps Reserve Capacity (minutes)1 Cold Cranking Amps Reserve Capacity (minutes)1
12 VDC 800 260 950 260
24 VDC2 400 130 475 130

The number of plates within a given battery size determines reserve capacity. Reserve capacity is the length of time for which a battery at 27°C [81°F] can supply 25 amperes at 10.5 VDC or greater.

Cold cranking amp ratings are based on two 12-VDC batteries in series.

 

Batteries (Specific Gravity)

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Specific Gravity at 27°C [80°F] State of Charge
1.260 to 1.280 100%
1.230 to 1.250 75%
1.200 to 1.220 50%
1.170 to 1.190 25%
1.110 to 1.130 Discharged
Maximum Starting Circuit Resistance   
     – 12-VDC System  0.00075 ohms 
     – 24-VDC System  0.00200 ohms 

Last Modified:  11-Apr-2005