It uses less energy from a generator than a standard charger using 25-30% less AC current than standard chargers. Safe and reliable:The MS2000, MS2012, MS2812, and MS4024 are ETL Listed to the stringent requirements of UL/cUL 458 for mobile use and the MS2012, MS2812, and MS4024 are ETL Listed UL 1741 and CSA C22.2 #107.1-01 for renewable energy installations. All models also meet KKK-A-1822E standards for emergency vehicle use. Easy-to-install: Install the MS Series in four easy steps: simply connect the inverters output to your distribution circuits or electrical panel, connect your utility power cable to the inverters easy-to-reach terminal block, connect the batteries, and switch on the power. 12 and 24 volt configurations.Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva. The item "MAGNUM MS2812 2800 WATT 12V PURE SINE WAVE INVERTER" is in sale since Monday, May 09, 2016. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\12-Volt Portable Appliances". The seller is "my12voltstore" and is located in Naperville, Illinois. This item can be shipped to United States.