FGA 817-2000 Xantrex Freedom X 2000 True Sine Wave Inverter 12VDC 120ACThe Xantrex Freedom X 2000 Converts 12 VDC to 120 VAC 4000 Watt Surge Capability - Extended Surge Rating: Surges to 2X continuous power for 2 seconds for motor loadsWide 10-18 VDC Input Range: Ensures inverter operation on high voltage alternators found on many new vehicle chassis2000 Watt Continuous, Built-in 30A AC Transfer Relay.Remote panel is available for approx $75.00 p/n 808-0817-01The Freedom line offers premium performance in a lightweight compact package. With its extended surge rating it is ideal for starting difficult loads including fridge and microwave. The quick connect terminals at AC IN/OUT make installation a breeze.The X 2000 has a wide full output temperature range! Having this range enables outputting to its full capacity in temperatures ranging from -4°F to 104°F, which cover temperature ranges found in most climate.The Xantrex Freedom series has a Built in 30 Amp AC Transfer Relay, which allows an AC input from shore or generator power. When the inverter senses outside AC Power it transfers the load from the inverter side to the source of the incoming AC shore or generator power. This option makes the unit ideal for RV and Commercial Truck use.The compact, easy-to-use and easy-to-install design of the Freedom X Series makes it a perfect for installation in an RV, Boat, Commercial Truck, Off Grid Cabin, and many other uses. The Freedom X provides household AC power anywhere!I have several of these from a Fleet that converted to a Hybrid all electric APU that had a built in inverter. Units were in service from about 6 months up to 2 years.