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I'm reading that a good fully charged battery should be at 12.3 V resting. My battery has been sitting on a smart charger and maintainer and says 12V only and the charger
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![NEW] 12 Volt Battery Full Charge Level Indicator Circuit](https://i.pinimg.com/736x/07/0a/0f/070a0f60f5b41ef4600e7ae2e77ac1ef.jpg "NEW] 12 Volt Battery Full Charge Level Indicator Circuit")
NEW] 12 Volt Battery Full Charge Level Indicator Circuit
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![12V Battery Charger Circuits [using LM317, LM338, L200, Transistors] - Homemade Circuit Projects](https://www.homemade-circuits.com/wp-content/uploads/2019/07/TIP122-simplest-12V-battery-charger-circuit.png "12V Battery Charger Circuits [using LM317, LM338, L200, Transistors] - Homemade Circuit Projects")
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