The ice box on my boat was inadequately insulated and did not keep a bag of ice frozen for more than a day in a Florida summer. This long article shows how an ice box can be converted into a 12 volt powered freezer. Few tools are needed to install the equipment from a plug-and-play kit and fit it into an existing box. The article also describes how insulation can be increased to reduce running times and battery consumption.
2308 words 10 pictures. Price for this article $10
CONVERT AN ICE BOX INTO A FREEZER.