928 S V8-4957cc 5.0L (1985)
Before installation in a vehicle, battery voltage (refer to 6) and starting capability (refer to 7), must be checked.
New/pre-damaged or defective batteries can be recognized before installation with these measures.
If replacement
Battery voltage service/
battery is...
Recharging intervals
Filled (not installed)
3 months
Dry
Only after filling with acid
5. Discharged Battery
If the battery was replaced or recharged a short time ago, the reason for discharging must be clarified. Ask the customer about his driving habits and