The Lioncooler Pro has all of the advantages of your home's refrigerator but it's designed to be completely portable, battery-operated, and cordless so you can take it with you in your car, RV, boat, camping, fishing, tailgating and you want to enjoy cold food and drinks. Power banks need to be purchased separately. Main feature: Ice-free refrigerator: adjustable temperature control for an always dry and clean cooling experience. Battery powered: fully portable, keeps food and drink chilly for up to 12 hours, regardless of the temperature outside. Easy to recharge (if you have purchased the power bank): recharges in 4-6 hours. Keeps working while it recharges, and recharges from AC wall sockets, DC 12v car sockets, or solar power. Multi-purpose power bank: needs to be purchased separately. Remove the battery and use it as a stand-alone power bank to charge USB-enabled devices. 100% portable: designed with a telescoping handle and durable all-terrain wheels for all outdoor advantages. Truly versatile: reliable cooling and chilling at the beach, campsite, backyard, sporting event, or even during a power outage. App controlled: adjust the temperature on the LCD of the device or from the accompanying free Bluetooth app for iOS and Android. Specification: Capacity: 50 liters/52 quarts Battery capacity: 14.8v/13000mAH/193WH Rated current for DC: 4.2A /2.1A Freezer running time with built-in battery: 5-12h (12h at 32℉/0℃) Car charging input: dc 12V/ 8A Solar panel charging input: DC 12-36V/10A USB output: DC 1 x 2.1 A Lowest temperature: -4℉/20℃ Solar charging: fully charged in 4.5 hrs. With 90w Foldable solar suitcase with low energy consumption: 40w Dimensions: 25.1 x 15.9 x 22.8 in/638 x 405 x 580 mm Weight: 34 lbs./15.44kg