How to Measure How Charged a Battery Is: Methods and Tips to Test Charge Level
Use a voltmeter to check your battery’s charge. In a 12V system, a fully charged battery shows about 12.6V. A fully discharged battery drops to around 11.8V. The voltage difference is only 0.8V. Choose a voltmeter with good resolution and accuracy for reliable battery charge measurements. Another method is to use a battery tester. Battery … Read more