The best power banks of 2026: Expert and lab tested

My power banks have to work hard, which is why I recommend buying these charging devices from reputable brands. I work to keep those brands honest by extensively testing dozens of products every year using an array of gadgets to make sure they do what they say they do on the box. I test capacity and power output, water resistance if applicable, and durability. Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. What is the best power bank right now? I've rigorously tested hundreds of portable chargers in recent years, putting me in the perfect position to identify which ones truly deserve your money. Testing a power bank involves power meters to measure capacity and power output, testing durability claims in real-world tests, followed by a chunk of time using the item on a day-to-day basis. At the end of this, I know just how good a particular power bank is. My pick for the best power bank overall goes to the Anker Nano 10,000 mAh for its portability, quality construction (this power bank has been knocked about by me in a handful of countries), the fact that it has…