Kuxiu has made some of my favorite Magsafe battery packs over the years. They were the first to give us a taste of the semi-solid state battery pack, which was ultra-efficient and kept safety in mind. They also brought one of the best features I’ve seen on any MagSafe battery pack: dual-sided MagSafe magnets, which let you add even more MagSafe accessories on top of the battery. Absolute genius. Now they are bringing us their brand new S4 Semi-Solid Safe MagSafe battery pack, and this might be...

I love MagSafe batteries and by this point, I have probably tested hundreds of them. There are plenty of great options out there with different capacities, charging speeds, built-in cables, and diagnostic displays, and there seems to be a MagSafe battery variant for any situation. But the feature I like most is thinness. While it’s great to have 10,000 mAh in a battery, that adds too much extra bulk in most daily cases. So over the last few months, I have been on the hunt for slim MagSafe batt...

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...