We tested 20 wall chargers, from cheap to expensive, to find the best — from 15W to 140W, here are the chargers that perform the best without overheating and throttling

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We tested the top 20 chargers on the market across different power segments to find out which models provide the most consistent power and the best charging experience without thermal throttling. For most people, charging their electronics is a normal, mundane part of life. Between our smartphones, smart watches, tablets, laptops, and other random devices, many of us simply plug the device into the included charger and never think of it again until it's complete. And while that’s fine most of the time, sometimes we lose the original or need something with more ports and power.

So, what should you get? Do you need a 140W charger, or is a 30W charger fine? Can I get away with a cheap $8 charger, or do I want/need something more advanced? How many ports, and what type, do I need? Is GaN technology necessary? Are these chargers safe when delivering full power for extended periods? This article aims to provide you with the answers you need and help you choose the right charger.

Truth be told, the answers aren’t terribly complicated, and the lion’s share of today’s electronics are smart enough not to accept the wrong voltage or overcharge, sparing us all from the potential of destroying expensive equipment like a gaming laptop or even a smartphone with the ‘wrong’ charger. We’re testing to verify output and output over time, check efficiency (the difference between output and wall usage), ensure safety (overheating, etc.), maximize charging speeds, and, of course, protect our devices from damage.