Hi,  where can I find a pylontech us300b battery in the gauteng region at reasonable prices?

Stock issues currently. Serious stock issues. 

Do you know what the delivery times are? I need to get a 3.5kw asap

I think the best course of action would be to place your order and wait patiently.

The industrial hub of the planet, China, is crippled by the Coronavirus. This will soon start impacting nearly everything. This is on top of high demand for batteries, inverters, panels etc due to the load shedding in South Africa.