Description
The Huawei Smart String Inverter SUN2000-330KTL-H1 is designed to be the energy brain of your South African home or business solar installation — managing the flow of power between solar panels, battery bank, Eskom grid, and household loads with intelligent automation.
During loadshedding, the inverter’s internal relay disconnects from the grid and switches your critical loads to battery and solar power in under 20 milliseconds. This speed is the difference between a system that protects your electronics and one that still causes reboots and dropouts. Solar panels continue to charge the battery throughout the outage, extending backup time whenever there is sunlight available.
The MPPT (Maximum Power Point Tracking) solar input continuously adjusts the operating point of the solar string to extract the maximum available power across varying irradiance levels — critical during South Africa’s partly cloudy summer afternoons when irradiance can change significantly within minutes.
LiFePO4 battery communication via CAN bus or RS485 provides the inverter with real-time cell-level data from the battery BMS, enabling precise charge voltage and current control that maximises battery cycle life. Wi-Fi monitoring via the manufacturer’s cloud platform gives you live energy flow data and historical analysis on your smartphone.
Available from End Loadshedding with fast nationwide delivery and a manufacturer warranty.
Marlene Visser (verified owner) –
Great for load shedding
Good value inverter. It feels reliable and is a practical choice for backup power.
Lungile Zondi –
Works well at home
Solid inverter for South African homes. It keeps the important things running when the grid drops.
Blessing Nyathi (verified owner) –
Works as expected
I am happy with this inverter. It does the job and makes load shedding much easier to deal with. Very happy overall, just leaving room after more time in use.
Elzette van Wyk (verified owner) –
Good unit for the price
I am happy with this inverter. It does the job and makes load shedding much easier to deal with. Delivery could always be faster, but the product itself is good.
Noxolo Ngcobo (verified owner) –
Great for load shedding
The SMA inverter has been working well for load shedding. Changeover is smooth and the house basics stay on without drama.
Lize Kruger (verified owner) –
Inverter works nicely
Good value inverter. It feels reliable and is a practical choice for backup power.
René Pretorius –
Inverter works nicely
Solid inverter for South African homes. It keeps the important things running when the grid drops.
Shane Petersen (verified owner) –
Works well at home
Works nicely with the solar setup. The power is stable and I have not had issues so far.
Vusi Shabalala (verified owner) –
Inverter works nicely
The SMA inverter has been working well for load shedding. Changeover is smooth and the house basics stay on without drama.
Anton du Toit (verified owner) –
Very happy with this inverter
Good inverter for backup power. It handles normal home use nicely and the setup feels reliable.
Tarryn Petersen (verified owner) –
Decent but not perfect
Good inverter for backup power. It handles normal home use nicely and the setup feels reliable. Not bad, just not amazing.
Xolani Maseko (verified owner) –
Good unit for the price
Works nicely with the solar setup. The power is stable and I have not had issues so far. Good buy, nothing serious to complain about.