First cool box with a battery life of up to 20 hours! Take the battery cooler with you and forget the mess of cables in the car. Since it does not depend on the power in the car, caravan or campervan it continues to cool using the rechargable battery for up to 20 hours! If the battery is runs out, you can keep using the cool box. You have two additional connections for 220 volts in the household and 12 V for traveling in the car, camper or anywhere else. The robust and impact-resistant body with high-quality PU insulation, which was developed precisely for this cool box, will get you safely through your next trip. Prepare for your adventure and enjoy your vacation! POWERFUL PU INSULATION COOLING UPTO 20°C BELOW AMBIENT TEMPERATURE CAPACITY : 30L NET (33CANS) LI-ION BATTERY PACK : 231 WH POWER BATTERY MANAGEMENT 20H WITHOUT MAINS CONNECTION ENVIRONMENT ENERGY CLASS : RATED: A +++ CFC FREE : MORE HYGIENIC, FOOD-COMPLIANT, 100% RECYCLABLE , PP MATERIAL Maximum ambient temperature (ºC), f