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What is Open-circuit voltage?
- Sep 05, 2017 -

refers to the battery in the non operating state that the circuit without current flow, the difference between the positive and negative polarity of the battery. In general, the open circuit voltage of the Li-ion is 4. $number. 2V or so, the discharge pressure is 3.0V or so, through the open circuit voltage of the battery, you can determine the charge state of the battery.