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![circuit analysis - Connecting two 3V batteries in series on a PCB, but the total is only 3V. What could be wrong? , Suggestions for Reverse mount LEDs - Electrical Engineering Stack Exchange circuit analysis - Connecting two 3V batteries in series on a PCB, but the total is only 3V. What could be wrong? , Suggestions for Reverse mount LEDs - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/UOJPg.png)
circuit analysis - Connecting two 3V batteries in series on a PCB, but the total is only 3V. What could be wrong? , Suggestions for Reverse mount LEDs - Electrical Engineering Stack Exchange
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