Concerning this item Fresh Food for Almost 36 Hours: When the battery is fully charged, it can store meals for two days at 39°F (4°C) for up to 36 hours (tested at 77°F (25°C) ambient temperature) for weekend excursions. 0% Ice, 100% Storage: With an iceless system that cools from 77°F to 32°F (25°C to 0°C) in just 30 minutes, you can double your storage capacity. Detachable 299Wh battery: Even if you don't require the cooler, stay connected and powered. There are two 12W USB-A ports and a 60W PD USB-C port on the 299Wh detachable battery. 100W Solar Input Charging: Use the 100W solar input to easily and sustainably recharge the battery. It uses clean power to make road trips permanent. Design of the EasyTow Suitcase: