It's the New Locoverter 250-watt 74 volt DC/AC converter! Simply connect it to 74 volts DC supply and you get both 12 volts DC and 110 volts AC! Plug any 110 volt AC device into the AC socket and you've got power.
Comes with a marine grade cigarette lighter plug for 12 volts DC. Both AC and DC can be used at the same time. Two USB charging ports provide 2.1 amps each.
The 250-watt model provides 20 DC amps.
The unit is fan cooled and the input is fuse protected. It provides reverse polarity, overload and overheating protection. It measures 3.125 inches tall, 5 inches wide and 8.25 inches long, and weighs under 3 pounds.
Don't forget to add a Battery Adapter to your order!