Magnum Energy MS4448PAE MS-PAE Series 4400W 48VDC Pure Sine Inverter Charger; Provides multiple ports, including an RS485 communication port for network expansion, and a remote port 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% Multiple ports: The MS-PAE Series provides multiple ports, including an RS485 communication port for network expansion, and a remote port Accessible design: 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 Convenient switches: The MS-PAE Series comes with an on/off inverter-mounted switch with an easy-toread LED indicator Lightweight: The lightweight aluminum base and cover also provides noise reduction and corrosion resistance