Load Testing A Marine Battery
Load Testing A Marine Battery . Choose the setting that is half of the cranking amps of the battery. We confirmed voltage and current draw. Care & Maintenance advice for Deep Cycle Batteries from www.trollingbatterycenter.com Agm batteries are the choice of the boaters. The ba7 also tests the charging circuit and alternator, but all it’s really doing is checking the voltage there, which you can do easily with a voltmeter. A bad battery can still put 12.6v but can’t hold it for a long time under load,.