The Sunforce 55522 is designed to convert an 110 volt AC wall outlet into a 12 Volt DC plug, so you can conveniently use the 12 Volt products at the home, office or on the road.
Converts VoltageThe Sunforce 55522 is used to convert AC household electricity to DC battery power.
Wide UsageThe Sunforce 55522 is for use with coolers, spotlight, fans, cell phones and other 12 Volt products.
Pros: Quiet, reliable, no issues.
Cons: Cost
Overall Review: I use this in a van converted to a camper. Runs lights, fans, etc. with no problems. Just make sure you will not be requiring more amps than it outputs.