Since the charger can output high power, UGREEN has involved a cooling admirer to keep the heat in Test, but that’s not often ample. It’s built for most environments. When you’d like the choice of installing your charger outside, this model has the most weatherproof exterior of any we tested. https://flenzy.store/high-capacity-portable-lithium-power-bank-ideal-for-travel-laptops-cars-and-emergency-power-needs/