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Battery Specifications

Battery Specifications
Positive Voltage Above 12.4 V
Positive Voltage at Idle 14.1-14.7 V
Type and Capacity 5-hour rate) GROUP 58RG (48 AH)
Dark Current Max 20 mA
Dark current is the constant flow of current while the ignition is OFF (i.e., audio unit, clock etc.)
Test Load
Battery GROUP 58RG
Load (A) 174
Battery Positive Voltage with Load
Approximate Battery Temperature Minimum Voltage (V)
21 degrees C (70 degrees F) 9.6
15 degrees C (60 degrees F) 9.5
10 degrees C (50 degrees F) 9.4
4 degrees C (40 degrees F) 9.3
-1 degrees C (30 degrees F) 9.1
-7 degrees C (20 degrees F) 8.9
-12 degrees C (10 degrees F) 8.7
-18 degrees C (0 degrees F) 8.5
Slow Charging
Battery Type Voltage (V) Hour (H) Amperage (A)
GROUP 58RG 11.9-12.0 9 Max. 4.8
GROUP 58RG 11.7-11.9 10 Max. 4.8
GROUP 58RG Below 11.7 12 Max. 4.8
Quick Charging
Battery Type Minutes (M) Amperage (A)
GROUP 58RG 30 32