Volt Polska Power Sinus 3000 48/230V Inverter Voltage Converter Built-in UPS Uninterruptible Power Supply (3000/9000W) - Black

The  Power Sinus 3000 48V UPS is a combination of an inverter, a charger and an automatic AC switch in a single circuit. It is primarily intended as a Pure Sinus voltage waveform UPS. It is used wherever a stable voltage and very high starting current of 3000W is required, including 9000VA instantaneous (up to 20 seconds). One of the advantages of the  Power Sinus 3000 48V is the possibility to connect different types of 48V batteries.

Which devices can be powered by the Power Sinus 3000 48V power supply?

Refrigerators
Freezers
Air compressors
Caravans
CH pumps
CO cookers
Doors
Solar panel systems
Safety features:

Overload
Overheating protection
Undervoltage
Short circuit
Battery overload
What makes Power Sinus 3000 48V UPS different from other UPSs?

The pure SINUS UPS generates a "sinusoidal" voltage at its output, just like on the mains. As a result, it can power inductive devices (such as power tools, air compressors, air conditioners, refrigerators, freezers, etc.).