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How do you detect the charge level of rechargeable battery .. is there any special circuit to do that?
Wiki User
∙ 15y ago
If you want to know the voltage of any battery you need a volt meter. These can be as cheap as 15- hundreds of dollars. Knowing the voltage still doesn't tell you if a rechargable battery is fully charged or not. a charger with an indicater can tell you that.
Wiki User
∙ 15y ago
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