USB charger for ashtray , 6/12 Volt Type 3 -07/70USB charger for ashtray , 6 12 Volt Since most people don't use the ashtray anymore, but you always want to charge your phone or navigation system, this is the perfect place to hide a USB connection. Nicely out of sight when you don't need it, and easy to pull out for use. This smarter QC0 2. 0 QC 3. 0 charger works at both 6 and 12 Volts and has a maximum output power of 18Watts and at 12 Volts it is even a fast charger of 3. 5A if your phone