Having a single wall charger for all your devices can save you time and keep your space decluttered. Need a charger like that? The Anker 747 Wall Charger is it, and it’s currently available for its best price yet. Down from its normal $110, you can get it for just $70 right now—a spectacular 36% discount for a powerhouse device. Imagine this: Your laptop is running low on battery, your smartphone isn’t far behind, and your wireless headphones are about to die, too. But there’s only one power outlet and no power strip. One option is to plug in your laptop, then charge your phone and headphones …