Hands-on: Kuxiu’s S4 MagSafe battery is slimmer and adds a real-time smart display

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 MagSaf