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4v battery charging and discharging limit

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biswajitdas49

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Hello Everybody,
I have a 4V sealed lead acid battery.I want to make a over-voltage and under-voltage indicator and I know how to make it that's not a problem for me.
Now my problem is I don't know which voltage need to be set for over-voltage and under-voltage.
I did not find anywhere the details of this topic for 4V battery.
So please if somebody know what is the best and safe set point for 4V battery,please tell me.

Thank you!!!
 

For typical 12V lead-acid battery, these are normal limits:
Drained: 10.5.
Charged: 14.4
Scale down these values to match your 4V battery.

Or else it may be more important if the battery is a power source for a circuit. Then you may want to set your alert where battery voltage is too low or too high for your circuit.
 
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