I have a cell phone battery that has the following written on one side:
- 3.7 V 1000mAh
- Limited charge voltage: 4.2 volts
I understand that the first line means, that the battery will always give 3.7V (at least in theory) at its output terminal. Also the battery will last for 1 hour if the mobile circuitry draw 1000mA.
The second line means that under no circumstances I should increase the input charging voltage beyond 4.2V, else it might damage the battery.
Is my understanding correct? If I am correct I would like to know for this battery what is the minimum required voltage for charging?
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