When the time slot mains charging / carrying loads
function is enabled, the power supply mode will
change to SBU and switch to mains charging only
during the set charging period or when the battery
is over-discharged. If the time slot discharging
function is enabled at the same time, the system
power supply mode will change to UTI, and will
only switch to the mains for charging during the set
charging period, and switch to the battery inverter
power supply during the set discharging period or
when the mains is outaged.