The Chillbox AC unit can be used both indoors or outdoors. Chillbox AC makes life more comfortable, and 3-fan speeds and just 300 ml of water are all the device needs to help consumers beat the heat in any location for up to 8 hours of non-stop cooling. It uses lithium batteries, which makes the device great for traveling long distances. Additionally, keeping it at full charge increases its lifespan.
https://www.theamericanreporter.com/chillbox-ac-a-portable-air-cooler-scam-or-legit-truth-exposed/