Bluetti US : PV VOLTAGE STEP DOWN MODULE(D300S)
PV VOLTAGE STEP DOWN MODULE(D300S) : US$569.00 
Function
* Step down the voltage of rigid panels to 120V from 550V
* Support 3000W Max input
* 3000W Max output
* IP54

Function
* Step down the voltage of rigid panels to 120V from 550V
* Support 3000W Max input
* 3000W Max output
* IP54