Our car cigarette lighter charger provide a total power up to 30W and support for simultaneous use of 3 appliances, such as Phones, Tablets, GPS, air purifier or wireless earbud charging, etc. 3 USB charging ports with 5.5A (2.2A+2.2A+1.1A) total output enable you to rapidly charge 3 devices simultaneously. Advanced circuit chip to realize over-current and short-circuit protection to protect your electronic devices. Compatible with 12V/24V power supply, our car cigarette lighter charger can be widely used in boats, cars, trucks, etc.. *Charge 3 Electronic Devices Simultaneously - 30W USB car charger enable to charge up to 3 electronic devices simultaneously at full speed, share the charging ports with your family or friends conveniently. Such as charge for iPhone XS Max/XS/iPhone X/Galaxy S11/S10/Tablets, etc.. *Smart Identify Technology - Adopt advanced circuit chip, it detects your device automatically to deliver its fastest possible charge speed up to 5.5A overall (2.2A+2.2A+1.1A).