I have been on the search for a thin MagSafe battery for years. I’ve tested dozens of these battery packs, and some have been fantastic, but they all share the same compromise, which is bulk. This year’s iPhone Air made me want a thin MagSafe battery solution even more. So when I saw that BMX released their SolidSafe Air, with a 5,000 mAh capacity and a thickness of less than 6.8mm, I knew I needed to give this one a shot. After spending a little over a week with it, here is what you need to...

I have tested dozens of MagSafe battery packs over the years, including slim ones, chunky ones, low-capacity chargers, and full-on power bricks that aim to replace everything at once. Most of the battery packs I test are mostly fine; they do the job. But the Kuxiu S3 10,000mAh battery pack strikes a great balance of simplicity, multifunctionality, and, most importantly, reliability. Here is what you should know about their brand-new solid-state battery pack. Check out the hands-on video below: S...