SRNE

See product catalog here: https://www.srnesolar.com/

They have a factory showroom in Naguru. 

Pricing from the factory showroom below. Full price list here:Uganda SRNE item price list.pdf

• 5.12 KW battery - 3.22m UGX
• 6kw inverter - 3.74m UGX
• 10kw inverter - 4.611m UGX
• 12kw inverter - 7.673m UGX

Quote from a thirrdparty local supplier is attached here. Quote-105 (1).pdf. 

Datasheet here: SRNE_HESP series_EU_48V_3.6_6kW_230V_Single-Phase_Hybrid_Solar Storage Inverter_Datasheet_V1.2[20250618] (1).pdf

Modbus Protocol: SRNE Solar Charge Inverter MODBUS Protocol1.96 (1).pdf