Screen size and camera quality are perhaps the two most important features when considering a new smartphone. Battery life is also extremely important, especially when you consider the fact that flagship smartphone makers are increasingly moving away from removable batteries.

As a result, how quickly a phone can top off its battery has become a crucial selling point for road warriors that spend much of the day on the go. Predictably, there’s no shortage of handset makers claiming their phone is the fastest to recharge. But who’s actually telling the truth?

Tom’s Guide recently put seven of the most popular smartphones to the test to see which was the fastest when it comes time to recharge.

Surprisingly enough, the Asus ZenFone 2 provided the most power in the shortest amount of time. Samsung’s Galaxy S6 managed to match the speed of the ZenFone 2 at the 30-minute mark and was the fastest to reach 80 percent and full charge. When battery capacity is factored into the equation, however, the ZenFone 2 topped the Galaxy S6 by a very narrow margin.

Other smartphones in the roundup include the Google Nexus 6, the LG G4, the Motorola Droid Turbo, the OnePlus 2 and the Apple iPhone 6. Speaking of, Apple fans may be sad to learn that the iPhone 6 finished dead last in nearly every test.

Lead image courtesy Martin Abegglen, Flickr