When finding the right 12V USB adapter for your car, you need to consider the plug size, output voltage, and output amperage range. The problem is that two devices from the same manufacturer do not guarantee that the power supply for one will work with the other.
How to Find the Right USB-C Charger and Cable | Tech Talk
This was originally a big problem for the mobile phone industry, often leaving people with chargers full of old wall sockets and 12V car adapters.
That all changed when manufacturers started using 12V USB adapters as the de facto standard. While there are still limitations, most mobile devices can now be charged using a 12V USB adapter.
USB is nearly universal, but 12V USB adapters rely on another ubiquitous technology to function: the 12V accessory jack. If you’ve never used a 12V USB adapter, you might be wondering if you can plug it into a cigarette lighter or if you need a special accessory jack. The answer is that it doesn’t matter.
