What Should 12v Battery Read. How many volts ought to a very good 12 volt battery read. To get a true voltage reading of the cars battery it is important to measure the voltage after the car has been sat for a period with the engine off preferably overnight this provides you with the car battery open circuit voltage or also know as the resting voltage.
If your voltmeter is showing a voltage anywhere between 124 and 128 that means your battery is in good shape. A fully charged battery will typically display a voltmeter reading of about 126 to 128 volts. The battery is not charged and could be bad if the reading is 119 volts or lower.
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Choose your 12v Battery. As a guest you are welcome to poke around and view the majority of the content that we have to offer but in order to post search contact members and get full use out of the. A fully charged car battery has 126 volts. Storage is rated not alone in Volts but also rated in Ampere HoursHereafter AH Let a Battery is rated 12 Volts Terminal Voltage Excluding Voltage drop in the Battery itself due to internal resistance of the battery and say 120 AH.
