No More Off-Grid Worry? This portable refrigerator can be powered by EENOUR 171WH WIRELESS DETACHABLE BATTERY that provide 24 hours battery life at 32? Set temperature, keeping the portable fridge running when external power is not available. 4 Power Options? This portable fridge supports 4 types of power sources: DC 12/24V car cigarette lighter, household AC 110-240V 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 environmentally friendly and powerful fluorine-free compressor ensures fast cooling down from 77? To 32? In just 10 mins and 77? To -4? In just 25 mins. The thickened EPDM interior appro. 2 provides better insulation and sealing than common portable freezers on the market. Even if the refrigerator is powered off, it can keep cool for a few hours like a cooler box. 19Qt/18L Capacity? This electric cooler is large enough to hold up to 23 cans of 330ml coke, or 15 bottles of 330ml beer or 15 bottles of 500ml 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. Note: Differences in bottle shapes and stacking methods may lead to different results. Capacity includes recessed space at the bottom of the door. 38W Low Power Consumption? Cooling mode can be selected between MAX mode with 38W power for fast cooling or ECO mode with 25W power for power saving, which makes it one of the most power efficient 12 volt refrigerators on the market. Even running in MAX mode, it consumes less than 0.5kwh/day. 3-Level Vehicle Battery Protection? When necessary, the car fridge will automatically power off according to your protection setting level: high, medium and low to prevent the car battery from being depleted. Higher levels will retain more power for your vehicle’s battery. It emits only 43dB of noise, about 10 dB lower than a household fridge. The shockproof design keeps it running well even under 30° tilt, while the corner protectors can protect it in case of collision, making it perfect for off-road trip. Package includes 19 quart car refrigerator, 110-240V AC adapter&cord, 12/24V DC car charging cord and user manual.