These Sorensen DCS 60-20E M54M130 60Vdc 20Amp 1200Watt DC Power supplies are in fantastic condition. They are LXIcompliant. They have been thoroughly tested and are guaranteed to more than satisfy you as far as the quality of these pre-owned equipment goes. You can see from the photos that these units are impeccable inside and out. These are as close to brand new that you will ever buy used. The M54M130 options provide for communication through RS232, RS485, Ethernet and external remote programming. We have 12 of these units in stock available for immediate delivery. Call US Power And Test  at 209-386-7544 for bulk pricing.