Battery Voltage

12v Battery "State of Charge" (from The 12-Volt Side of Life)

12.6+ volts 100%

12.50 volts 90%

12.42 volts 80%

12.32 volts 70%

12.20 volts 60%

12.06 volts 50%

11.90 volts 40%

11.75 volts 30%

11.58 volts 20%

11.31 volts 10%

10.50 volts 0%

Cooresponding Digital Battery Meter Display (chart I made for cabinet door)

12.6+ volts 100%

12.5 volts 90%

12.4 volts 80% (78%)

12.3 volts 70% (68%)

12.2 volts 60%

12.1 volts 55% (54%)

12.0 volts 50% (48%)

11.9 volts 40% CAUTION

11.8 volts 30% (32%)

11.7 volts 25% (26%)

11.6 volts 20% WARNING

11.5 volts 15% (17%)

11.3 volts 10%

10.9 volts 5%

10.5 volts 0%