It cuts off power when the battery is full, preventing overcharging, short-circuit, over-current and overheating for good safety. Never worry about running out of power while traveling again. This car adapter is suitable for input DC 12V/24V and provides up to 80W of power.
eBay
DC-DC Step Down Buck Converter Power Supply Module 12V to 5V 3A 15W for Car Male Female USB Mini USB Micro USB Adapter
Aliexpress UK
2 Dual USB port socket. Colour: Black. 2 set screw. USB output current: 3.1A. Maximum power: 16W. Condition: New. Working temperature: -25°C -80°C. Material: ABS.
eBay
Wired Auto Boost Converter Adapter 5V USB Port To 12V Car Cigarette Lighter Socket Power Cord Transformer Cable Power Supplies
Aliexpress UK
Output: 96W( PD 30W each,QC3.0 18W each);. No need to open holes, only need to install on the surface, you can install where you want to install, just tighten with screws, easy to install. Simply installation It's surface mount installation.
eBay
Wired Auto Boost Converter Adapter 5V USB Port To 12V Car Cigarette Lighter Socket Power Cord Transformer Cable Power Supplies
Aliexpress UK
Two12V/24V cigarette lighter sockets (DC outlets) provide a total power of up to 90W, enough for simultaneous use of a variety of portable appliances in your vehicle. 1 x Cigarette Lighter In Original Box.
eBay
Practical Car Extension Panel Cable USB Type-C Aux Interface Power Adapter Cable Car Power Modification Cable
Aliexpress UK
Output：5V 4.8A or QC3.0 & PD (at your choice). - With a switch, you can freely switch display mode or turn on/off the power;.
eBay
Wired Auto Boost Converter Adapter 5V USB Port To 12V Car Cigarette Lighter Socket Power Cord Transformer Cable Power Supplies
Aliexpress UK
QC3.0+Touch Switch. Wide Application: cars, motorcycles, ATVs, SUVs, UTVs, Boats, etc;. USB Output: DC 3.5-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A ;. The led light will show up after the item is connected to the battery.
eBay
Car Cigarette Lighter Socket Female Power Cord USB Port To 12V Car Converter Adapter Wired Controllerr For Xiaomi Power Bank DVR
Aliexpress UK
USB-A QC Port Output: DC 5V-20V⎓5A (Max 100W). USB-C PD Port Output: DC 5V⎓3.1A (Max 20W). USB-A QC Port Output: Support QC3.0/QC2.0/AFC/FCP/SCP fast charging. Zinc alloy shell, delicate touch, strong heat dissipation.
eBay
1pc USB Splitter USB Extension Cable USB Male to 3 USB Female Adapter Multiple USB Port USB 1 Male to 3 Female Power Cord
Aliexpress UK
USB output: 5V/ 2.1A. Installation position: car interior. Multifunctional car LCD digital display; easy to install without professional skills;. Display: digital display. Item will be dispatched within 24 hours.
eBay
USB Splitter USB Extension Cable USB Male to 3 USB Female Adapter Multiple USB Port USB 1 Male to 3 Female Power Cord
Aliexpress UK