Checking Charge State Of An AGM Battery Using A Battery Tester

WARNING: This page is about a different variant/trim than selected.

Check the battery charge state according to the operating instructions for the relevant rapid-start battery charger or battery tester.

Evaluating the test results and subsequent procedure:

Open-circuit voltage in volts	Charge state in %	Evaluation and procedure
12.7 - 12.5	100 - 80	Charge state OK
12.5 - 12.2	80 - 50	Charge state reduced, recharge battery and observe an inactive period of two hours after charging.
12.2 - 11.6	50 - 10	Battery flat; recharge battery and observe an inactive period of two hours after charging.
below 11.6	below 10	Battery totally discharged; replace battery. 270619 REMOVING AND INSTALLING BATTERY