Anker has been in the power and charging game for a long time and it has a ton of excellent products, from handy power banks to full-on power stations. And ahead of Amazon’s Big Spring Sale, a bunch of its wares are on sale with as much as 43% off regular prices.If you’re an Apple user, then Anker has an excellent all-in-one solution for you in the form of the Anker MagGo three-in-one…