What Voltage Should a 12V Battery Read When Fully Charged?
Did you know that a “12V” battery isn’t actually 12 volts when fully charged? Many assume their car or solar battery is healthy if it shows 12V on a multimeter, but the truth is far more precise. A fully charged 12V lead-acid battery should read 12.6–12.8 volts at rest, while lithium variants may hit 13.2–13.4V. … Read more