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Best USB car chargers for your phone

Keep your smartphone powered on the go.

Rob Schultz / IDG

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There are plenty of options for keeping your phone or tablet charged while on the go. We’ve already taken a look at portable USB battery packs, as well as the USB-C variety. Now were ready to take a look at car chargers.

These small devices don’t differ from each other all that much. Some have an indicator light, others have illuminated ports. Some feature Quick Charge for devices that support it, others don’t. One attribute they all share, however, is two USB ports—i.e., the days of the single-port car charger are long over. 

Best overall car charger

Spigen’s Quick Charge 3.0 charger is inexpensive, offers QC3.0, and has a minimal design. It’s our top pick for just those reasons. (See our full review.)

Best budget car charger 

The best deal you’ll find in our roundup is on the RAVPower 24W Dual USB car charger. At $8.99, its lack of Quick Charge is forgivable. And with its petite design, its not an eyesore. (See our full review.)

Best Quick Charge 3.0 car charger

Anker’s PowerDrive Speed 2 is our top charger pick due to both ports supporting simultaneous QC3.0, a streamlined design, and lights for each port. (Read our full review.)

How we tested

Determining whether a car charger lives up to its promise entails more than connecting it to a phone and charging. Testing requires special equipment to measure output and verify stated performance claims.

  1. Testing began by plugging each car charger into the same port in a Honda Civic.
  2. Then a PortaPow USB Power Monitor was plugged into a given car charger, with a USB-A-to-USB-C or Apple Lightning connecting the PortaPow USB Power Monitor to either a Samsung Galaxy S8 or an iPhone X. With the display off on each phone, we monitored the charger’s output.

The PortaPow allows us to see the volts and amps output of a car charger. We repeated the test for each port on a car charger and recorded the results.

Power source and cables

All of our tests were conducted using the same car charging port on a 2015 Honda Civic. The same charging cables were also use for each test. This was done to eliminate variables that could impact the results.

What to look for in a car charger

Without fancy testing equipment, it can be hard to gauge whether you’re getting what you paid for. Vendors, especially in Amazon listings, like to throw around a lot of terms and certifications. For those with a Quick Charge 2.0-, 3.0-, or PD-compatible device, make sure the car charger is certified for that spec. This can make a big difference in the time it takes to charge your device.

And if you’re just driving across town, the faster your phone charges, the better. If you own a QC 2.0 device, however, ask yourself if paying extra for a QC 3.0-capable charger is worth it.

All of our car charger reviews

Click on the links below to read full reviews of all the chargers we tested for this roundup. We will continue to update this page as we review more chargers.

Note: When you purchase something after clicking links in our articles, we may earn a small commission. Read our affiliate link policy for more details.
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