I test smartphones and electric scooters among many other products here at WIRED. Unlike phones, escooters vary much more in quality. Most phones nowadays are pretty good—whether you buy from the low-end or shell out for a flagship—but escooters haven't reached this level of development yet. Each massive box I have to haul up my stairs isn't guaranteed to give me a thoroughly enjoyable and pain-free experience. That's why I like Niu. The KQi3 Max is the second scooter I'm testing from the brand and, like the first, it's a reliable, well-balanced ride for everyday commutes.
The KQi3 Max is a small upgrade over the KQi3 Pro I tested last year. They're nearly identical, from the design to the components, but the pricier Max has a slightly more powerful motor, weighs a smidge more, and has a larger battery capacity. The Pro is enough for most people, but if you're in a hillier area or you're a heavier rider, it might be worth spending the extra $200 on the added power.
The KQi3 Max comes mostly assembled; you just need to attach the handlebars. Right off the bat, it looks and feels sturdy, with an air of intent. It's not as light as a scooter you pluck off the shelf, like the Speedway Mini 4 Pro, nor is it as fancy and hefty as the Apollo City. It has a purpose.
The handlebars sit at a nice spot for my 6'4" self, but you can't adjust the height, so it may not be comfortable for everyone. They're not as wide as the Apollo City's, but I still wish they could collapse down to save some width when you pack the scooter down. There's also not much room to comfortably attach a smartphone via a mount, though I've started using my wireless earbuds to listen to navigation instructions instead of having to look down at a screen.
Speaking of, Niu has the best folding mechanism out of all the scooters I've tried. Just undo the latch at the base of the stem and bring it down, and it'll automatically click into a spot at the end of the deck. Time to unfold? Press the button above the rear brake light and the stem will unlock. Raise it and close the latch to secure it upright. It's super simple. It's got a reliably stable kickstand too.

