Set di 2 caricabatterie da auto – Adattatore USB ad alta velocità QC3.0 a doppia porta – 36W 3A – con voltmetro e interruttore

【Dual QC3.0 USB Charging Ports】 – For car cigarette lighter chargers, equipped with two 36W QC3.0 charging ports (18W/3A output per port) – For adapters, providing the fastest charging efficiency, reaching 80% in just 35 minutes – Charging speed is four times faster than traditional chargers – Compatible with QC 2.0 and 1.0. 【LED Color Voltage Display】 – For monitoring vehicle electrical systems – Keep track of vehicle status – LED indicator makes it easy to locate the charging port – Suitable for use while driving, without distraction. 【Switch】 – For: Short press of the switch for one second – For: LED voltmeter and USB port working normally – Short press of the switch again for one second – For: Voltmeter light off – For: USB port working normally – Long press of the switch again for two seconds – For: Voltmeter and USB port off. 【Perfect Compatibility】 – For: USB car cigarette lighter adapter – For: Compatible with all Android and iOS mobile devices – For: Supports fast charging of devices – For: Perfectly compatible with car cigarette lighters. 【High Quality】 – Suitable for: Car chargers made of special metal materials – Suitable for: Can operate normally in high and low temperature environments from -20 to 60°C – Suitable for: Built-in smart chip – Suitable for: Passed multiple safety certifications