Know what would make your life easier? A power bank that magnetizes to the back of your phone for wireless charging! The Anker Magnetic Power Bank is now available for $31.49 on Prime Day instead of the regular $40, making this 10,000mAh is a fantastic choice. I’ve been in tech media for over 12 years at this point, many of them hunting down the best deals, and this Anker discount is simply fantastic, especially since the power bank is so versatile and useful. The Anker Magnetic Power Bank has a massive 10,000mAh capacity, which should be enough for about two full charges on your phone. Whethe…