Power with 4 V-lock batteries, portable and usable
Considering the size, weight, power efficiency, and usability, S-4020 is designed to be powered by 1-4 V-lock batteries, which are widely used and easy to find.
2 channels XLR high load DC output selection
Select 4-pin XLR 11-16.8V 15A(180W) or 3-pin XLR 22-33.6V15A(360W) to DC output
And S-4020 is designed with multiple circuit protections, such as over load, over voltage, and etc.
Charging without taking out batteries
With the supplied 5A charger, user can charge the batteries in the S-4020 directly, without taking out of them.
Cooling fan design
The fan keeps dissipating heat from the box, and makes it safe when working in high temperature environment.