· No More Off-Grid Worry: This portable refrigerator can be powered by EENOUR 171 Wh detachable battery that provide 24 hours battery life at 32 ℉ set temperature. Besides, battery has two output ports, Type-C and USB, with a 60 W max output power to charge your phone and other devices. Battery needs to be purchased separately· 5 Power Options: This portable fridge supports 5 types of power sources: DC 12/24 V car cigarette lighter, household AC 110-240 V outlet, battery and solar panel. When the battery is installed inside the refrigerator, you can charge the battery while powering the refrigerator at the same time with a solar panel, car cigarette lighter or household AC outlet. We recommend using a 100W solar panel with a DC5521 plug· 10 Mins Cooling down to 32 ℉: The powerful fluorine-free compressor ensures fast cooling down from 77 ℉ to 32 ℉ in just 10 mins and 77 ℉ to -4 ℉ in just 25 mins, and has a thickened EPDM interior (appro.2") provides better insulation and sealing· 19 Qt/18 L Capacity: This electric cooler is large enough to hold up to 23 cans of 330 ml coke, or 15 bottles of 330 ml beer or 15 bottles of 500 ml water, which offers plenty of storage for beverages, fruits, meats and snacks, making it a great option for a road trip and meets the needs of truck drivers, boat owners, and campers· 38 W Low Power Consumption: Cooling mode can be selected between MAX mode with 38 W power for fast cooling or ECO mode with 25 W power for power saving. Even running in MAX mode, it consumes less than 0.5 kwh/day. With a battery and a solar panel, we can keep it running all the time without having to pay for electricity