Why is the Voltage Readout on My Controller 0.2 Volts Higher than My Multimeter?

I’ve noticed my controller often shows a voltage reading that’s 0.2 volts higher than what my multimeter displays. This small difference can cause confusion when you’re trying to get accurate battery readings for your RC gear or solar setup. The controller’s internal voltage reference circuit is usually the culprit for this small offset. It’s a … Read more