What voltage should Prius 12v battery be?
I’ve read various ranges of what this should be, the above referenced PriusChat thread indicates 12.4-12.8v is normal range in ACC mode (1 power button push w/no brake pedal applied). Elearnaid indicates 11.9-12.6v as normal. The lower this reading the worse off your 12v battery is.
What voltage should my Prius battery be?
~13.5 to 14.5 is normal while in Ready mode. After the car is off after sitting overnight, you should see ~12.2-12.8 with a digital multimeter with the car off. Less than this points to a bad 12V if the battery should be fully charged.
What voltage should a 12 volt battery read when fully charged?
about 12.6 to 12.8 volts
A fully charged battery will typically display a voltmeter reading of about 12.6 to 12.8 volts. If your voltmeter is showing a voltage anywhere between 12.4 and 12.8, that means your battery is in good shape. Any voltage above 12.9 volts is a good indicator that your battery has excessive voltage.
What voltage is too low for a 12 volt AGM battery?
The truth is that any lead acid battery, be it a Gel Cell, AGM or flooded batteries such as DCBs, should be cut-off at 11.6 volts. Not doing so increases the risk of damage to the battery and if taken down deep enough into the batteries charge, will ruin the battery.
What voltage should an auxiliary battery be?
That means you may see your auxiliary deep cycle battery reading somewhere around 12.0v-12.2v while your fridge’s powering away keeping your tucker cold.
When to check the 12 volt battery in a Toyota Prius?
The method of access below will work on any 2004–2009 Toyota Prius. The best time to test the 12-volt battery in your Prius is after it has been sitting for several hours or overnight. This way, you can check the resting voltage of the battery.
Why does my Prius have a low voltage battery?
If you have no braking issues, these indicators generally indicate that the battery is weak, and the low voltage is affecting the computers that control your ABS and VSC. Failure to start up or no response from the power button when attempting to start.
What’s the normal power range of a Toyota Prius?
I’ve read various ranges of what this should be, the above referenced PriusChat thread indicates 12.4-12.8v is normal range in ACC mode (1 power button push w/no brake pedal applied). Elearnaid indicates 11.9-12.6v as normal.
When to replace a 12V battery in a Toyota?
For me to work on the car, I needed to replace the 12v battery that was four years old at this point. It would no longer hold a charge, and it would not even take charge when I put it on my battery conditioner. Doing this process is different than reconditioning a hybrid battery just so you are aware.