* The length measurement of the portables does not include the carrying handles. They are 28" long with the carrying handles installed.
The TB31 model offers the best of electronic technology. Featuring a highly efficiency Danfoss/Secop compressor, an energy saving function (ECO), a turbo cooling function (MAX) and multifunction electronic thermostat allowing for easy temperature control with minimal energy consumption. The electronic AC/DC circuit board allows for both 12-24 VDC or 115-230 VAC operation. Switching between DC and AC is automatic. Standard three level battery protection. 1 year warranty.