https://github.com/waveshare/UPS-Power-Module/blob/4b599ea18aa7cf33e1834f65a3e8d0461d3766b3/ups_display/ina219.py#L60C40-L60C44
https://github.com/waveshare/UPS-Power-Module/blob/4b599ea18aa7cf33e1834f65a3e8d0461d3766b3/ups_display/ina219.py#L60C40-L60C44