No ice needed for cooling anymore! Anker EverFrost Powered Cooler 30 can keep cool up to 42 hours with a 299Wh detachable battery intergated. It can cools down in 30 mins with a long-lasting, fast and quiet refrigeration under 42dB. Wheels and handles are designed and included by default for portable use. Plus, it can be recharged from solar. Your perfect choice for outdoor camping and family roadtrips. (EverFrost Cooler 30 is built with New Battery)