Current Draw Test: Procedure

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- 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-.