Portable power banks that charge your phone are popular, but wireless battery packs using Apple’s MagSafe technology offer a simpler and smarter solution for iPhone 12, 13 and 14 users. Phone batteries are prone to run dry just when you’re heading away from a power source, so having a portable charging source is one of today’s necessities. Annoyingly, most power banks require you to carry around a cable, too. Wireless power banks do away with cables but come with their own major limitation – the inefficiency of wireless charging means you need a high-capacity power bank to fully charge a drain…