What Voltage Should A Fully Charged 12 Volt Battery Show. The truth is most 12-volt batteries need to measure at least about 126 volts before they are considered fully-charged. 1235v to 1260v Acceptable charged battery acceptable for.
.jpg)
1260v to 1280v Fully charged battery perfect for fitment to vehicle. Any voltage above 129 volts is a good indicator that your battery has excessive voltage. A fully charged car battery has 126 volts.
1260v to 1280v Fully charged battery perfect for fitment to vehicle.
That is because each of the six cells in a 12-volt battery should measure at least about 21 volts when fully-charged. I used a 9 stage 15A smart charger to charge the batteries. You have to apply a voltage that is higher than the battery voltage in order to get it to charge. Battery voltage reacts highly to charging and discharging.
