Model of 2018. A Cooler or freezer: Capacity 52 Quarts / 50 Liter; adjustable temperature inside to work as either freezer or cooler, 20 mins quick cooling to 32°F; Fluoride-free Insulation
Three ways of charging: AC, Car (4-5 hours fully charge), or choose the solar panel: 12V Max 120W
Advantage: One full charge of the battery powers 10-15 hours in 0℃/32℉ setting; LCD Display-Easy control and monitor. Multiple setting for different needs
Easy replaceable-battery design allows more backup batteries. More sizes to choose: 30L/32 Qts; 40L/ 42 Qts. Excellent new product in 2018 CES for camping, fishing and off-grid temperature control storage
Excellent Service & Warranty: California, USA based company in 7+ years solar industry supplies technical support, customer service and warranty.