Battery
Battery Marking
Performance
The performance of a car battery is normally expressed as follows:
- Cold cranking amperes, CCA.
- Reserve capacity, RC.
- Capacity, C20 (in certain cases).
Recommended charge current
Cold cranking amperes according to the SAE norm and the corresponding capacity and recommended constant charge current
Cold cranking amperes Capacity Recommended constant
(CCA) according to SAE charge current
420 A 45 Ah 4 A
440 A 50 Ah 4 A
520 A 50-60 Ah 5 A
600 A 65-70 Ah 6 A
680 A 90 Ah 7 A
Cold cranking amperes according to the DIN norm and the corresponding capacity and recommended constant charge current
Cold cranking amperes Capacity Recommended constant
according to DIN charge current
250 A 45 Ah 4 A
310 A 63 Ah 5 A
420 A 72 Ah 7 A
590 A 60 Ah 9 A
Volvo battery labels
American labels
1. The nominal terminal voltage of the battery (12 V)*
2. Capacity (60 Ah)
3. Cold cranking amperes, CCA (550 A)
4. Reserve capacity, RC (100 min)
5. Volvo part number (9459947).
* 12 V is the nominal terminal voltage. This means that the battery has a stand-by voltage of 12.72 V when fully charged. Note that a battery with a stand-by voltage of 12 V is only charged to approximately 35% of capacity.