As the charger can output high power, UGREEN has included a cooling lover to help keep the heat in check, but that’s not generally adequate. Because the two ports charge at 20W each, you can expect your device to charge as high as 70% in as little as 30 minutes. https://singles-cruise27272.scrappingwiki.com/1244822/the_greatest_guide_to_boost_charge_magnetic_wireless_car_charger_10w30