Solar Power Manager 5V no charge battery
Emmanuel.COLUSSI 2024-02-24 14:34:21 704 Views2 Replies Hi,
I use a 5V Solar Power Manager to power a XIAO ESP32C3. During the day it's powered by the solar panel and at night by the battery. But I find that the battery is never recharged. I measure the battery voltage as well as the solar panel voltage, and if the solar panel voltage is too low as well as the battery voltage, I switch off the power supply on the USB port.
Is this normal? Is there something I'm not doing right?
Thanks
Emmanuel
Yes , I use the following wiring, the only difference is that I connected an ESP32 instead of the Arduino.
But I'm noticing something strange ... or did I understand the Solar Power Manager correctly …I must be doing something wrong ...
when I supply the input with a solar panel well exposed I have a voltage of 6V at the connector and at the outputs: (USB and also at the connector on the board )I only have a voltage of 3v ? and when I connect a battery to the solar input I have a constant voltage of 4.34V (over the course of a day) and at the outputs I have 5V.I have the impression that my system is never solar-powered.I've connected an ESP32 5v power supply to the output.An idea of the problem someone can enlighten me ?
Emmanuel.COLUSSI 