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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Charging System (Battery, Starter And Generator) & Cruise Control (2 Of 2) >> 27 Starter, Generator And Cruise Control >> Battery, Checking >> Current Draw Test >> Procedure

Current Draw Test: Procedure

-- Connect the Battery -A- to the Battery Charger and start the charging process.

-- Measure the Battery -A- charge current after five minutes.

Test Result

The charge current must be above 10% of the nominal capacity 5 minutes after charging begins.

Example

With a 60 Ah battery, the charge current must be greater than 6 A 5 minutes after charging begins.

-- Fully charge the Battery -A- if the charge current is higher than 10% of the nominal capacity.

-- Let the Battery -A- sit for two hours and then perform the battery load test. Refer to BATTERY LOAD TEST .

If the charge current is less than 10% of the nominal capacity (less than 6 A for a 60 Ah battery) five minutes after starting the charging, then replace the Battery -A-. Refer to BATTERY, REMOVING AND INSTALLING .

-- In warranty and Goodwill cases, fill out the battery test sheet and keep it with the Battery -A-.