ISBe/ISB Series Engines – 018-021   Electrical System

Table of Contents

Specifications
 


Specifications

TOC

Recommended Battery Capacity

System Voltage Ambient Temperature
-18°C [0°F] -29°C [-20°F]
Cold Cranking Amperes Reserve Capacity (minutes)
1
Cold Cranking Amperes 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.

Specific Gravity at 27°C [81°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

Last Modified:  21-May-2002