Look at this blog post on installation:

https://safiery.com/blog/lowest-installation-costs/

Configuration Guide
SC301
 SC302T

SC25Q

 T001

SC25QT
Main Battery ✔ (internal) ✔ (internal) ✔ (internal) ✔ (internal) ✔ (internal)
Main Battery Shunt ✔ ✔ ✘ ✘ ✘
High Current Dedicated Shunt (like inverter) ✔ ✔ ✘ ✘ ✘
Second Starter Battery ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
Tank with Voltage sensor ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
Pressure Sensor ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
AC Current Sensor ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3

Cabin Air Quality
(Either Dust or Co2 Sensor)

 ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
Solar Performance Sensor (not solar measurement) ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
Pitch (Forward and Backwards) ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
Roll (Sideways) ✔ Voltage for U1 or U2 ✔ Voltage for U1 or U2 ✘ ✔ Voltage for U1, U2 or U3 ✔ Voltage for U1, U2 or U3
Current Measurement to 25A per channel (combine channels for greater than 25A circuit) ✘ ✘

Up to 4

C1, C2, C3, C4

 ✘

Up to 4

C1, C2, C3, C4
Tank Measurement Ultrasonic with Resistance input ✘ ✔ Resistance for R1 or R2 ✘ ✔ Resistance for R1, R2, R3, R4 ✔ Resistance for R1, R2, R3, R4
Temperature Measurement (resistance) ✘ ✔ Resistance for R1 or R2 ✘ ✔ Resistance for R1, R2, R3, R4 ✔ Resistance for R1, R2, R3, R4
Battery Temperature Included