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Does the MPPT 60/80 need to be charging to prioritize battery level indicator on XW+NA user interface?

According to the XW+NA User Manual :

Monitoring Battery Level
When the Conext XW+ is inverting, the row of five LEDs indicates the
approximate available SOC (State of Charge) of the batteries connected to the
system. This capacity reading is based on battery voltage.
The battery LEDs can retrieve information from various sources depending on
the devices installed in the system. SOC information is reported from one of the
following devices, listed in order of priority:
1. Conext Battery Monitor (If installed).
2. Conext MPPT Solar Charge Controller (When operating).
3. Conext XW+.
When the Conext XW+ is reporting, there are four battery states from empty to
full. When the available battery state is empty, no LEDs are lit. The battery is
considered empty when its depth of discharge exceeds approximately 50 per
cent. When the battery capacity is low, the two leftmost LEDs are lit. When the
battery is at medium capacity, the four leftmost LEDs are lit. When the battery
capacity is full, all five LEDs are lit. When the Conext Battery Monitor or Conext
MPPT Solar Charge Controller devices are reporting, the true SOC will be
indicated on the battery level LEDs and all LEDs will be utilized.
Note: The battery LEDs are not a precise indicator of battery level. They are to
be considered a general guideline rather than an exact measurement. For
greatest accuracy, install the Conext Battery Monitor (Part # 865-1080-01).



The MPPT60/80 does not need to be charging to take priority and indicate "true SOC", however be aware these LEDs are still voltage controlled. 
This means the larger the load, the fewer LEDs will be lit.
Conext Battery Monitor is recommended for best SOC accuracy.
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