Battery: Checking Charging Condition

Battery: Checking Charging Condition

Tools







Battery: checking charging condition

Checking charge state with battery tester

NOTE:
- Follow the instructions for the Tester, topic: charge state/functional state.
- The tester must be connected directly to the battery.

1. Remove battery cover.
2. Connect battery tester to vehicle battery and check the battery charge state according to the operating instructions for the tester.
Rapid-start battery charger 44

Evaluating the test results and further procedures:

- Open-circuit voltage: 12.7 - 12.5 V
1. Charge state: 100 - 80 %
2. Charge state OK

- Open-circuit voltage: 12.5 - 12.2 V
1. Charge state: 80 - 50 %
2. Battery charge state reduced, recharge battery and observe an inactive period for two hours after charging.

- Open-circuit voltage: 12.2 - 11.6 V
1. Charge state: 50 - 10 %
2. Battery flat; recharge battery and observe an inactive period for two hours after charging. General information and on vehicle battery

- Open-circuit voltage: below 11.6 V
1. Charge state: below 10 %
2. Battery totally discharged; replace battery