So I've got 2 UPSs connected to 3 PCs and with the USB connectors to 1 PC.
The load is not even and they discharge at different rates. _WinAPI_GetSystemPowerStatus() gives me an average reading ( 1 UPS can be at 90% and the other at 10% ) but is lighter than WMI.
WMI Win32_Battery gives me ind...