Ever | X-ON
                                        
                                            
                                        
                                        EVER is a market leader in UPS technology, they manufacture a wide range of UPS units, from universal VFD devices (offline) to sophisticated VFI units (online), rated from 1 to 360 kVA, and state-of-art VI-topology solutions (line-interactive).  Their product line includes surge protectors filtering strips, as well as advanced tandem UPS units designed in cooperation with Fogo, another Polish manufacturer.