The MS Series Inverter/Charger from Magnum Energy - a pure sine wave inverter designed specifically for the most demanding mobile and off grid applications. The MS Series is powerful, easy-to-use, and best of all, cost effective. Power Factor Corrected (PFC) Charger is built into all of our inverter/chargers. It uses less energy from a generator than a standard charger - using 25-30% less AC current. ETL Listed to the stringent requirements of UL/cUL 458 for mobile use and ETL Listed UL 1741 and CSA C22.2 #107.1-01 for renewable energy installations. The Magnum also meets KKK-A-1822E standards for emergency vehicle use. Simply connect the inverter's output to your distribution circuits or electrical panel, connect your utility power cable to the inverter's easy-to-reach terminal block, connect the batteries, and switch on the power. Features: Pure sine wave: Power your T.V.s, stereos, plasma screens, and other sensitive electronics without worry. The pure sine wave inverter and power factor corrected charger provide clean, reliable inverter power with low total harmonic distortion (THD) of less than 5%. Mount the MS Series on a shelf, bulkhead, or even upside down. The lightweight aluminum base and cover also provides noise reduction and corrosion resistance. The MS Series provides multiple ports, including an RS485 communication port for network expansion, and a remote port. The extra large AC access cover with terminal screw block and 360° DC connection terminals with covers make this inverter more accessible when it needs to be. The MS Series comes with an on/off inverter-mounted switch with an easy-to-read LED indicator. The MS Series is backed by a three-year (36-month) limited warranty. Dimensions in inches: 13.7 x 12.65 x 8.0. Shipping Weight: 60 pounds.