I bought it because the previous compressor I had wasn't providing adequate cooling power, but unfortunately this one suffers the same problem. Most reviews on alibaba are fake and made up so we have to buy blindly.
This item promisses 2800W of cooling power but my car's 1100W heater is able to outheat the compressor. Very sad.
Another problem was that the seller shipped the item via FedEx without telling me which is a big problem due to huge extra fees.
Overall, very frustrated with eletric A/C.
On a sunny day above 29°C it already cannot cool down my small car with heat treated windows.