61 20 ... Threshold values for battery inspection of all battery (telephone except for telephone battery)
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Safety instructions for handling vehicle battery, refer to 61 00 ... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .
Test step 1 - before charging the battery
BATTERY REFERENCE (BEFORE CHARGING)
| Charge state 1) | Starting capability 2) | Test result |
| Not testable | Charge | |
| less than 50 % 2) | Charge | |
| more than 50 % | less than 75 % | Charge |
| more than 50 % | more than 75 % 3) | Charge |
| more than 80 % | more than 75 % | O.K. |
Test step 2 - after charging the battery
BATTERY REFERENCE (AFTER CHARGING)
| Charge condition 1) | Starting capability 2) | Test result |
| Not testable | Defective | |
| less than 50 % | less than 75 % | Charge |
| more than 50 % | more than 75 % | Charge |
1) Charge condition and starting power must always be evaluated together
2) When test charging for more than 5 hours, use charger Gossen CG 32 or Siemens / Gossen VB 801
3) Fully charge until charge state is more than 80 %.
NOTE:
If battery was checked on the positive terminal in the engine compartment, repeat check directly on battery for sake of safety.