These Pre-Prime Day Qi Pad Deals Include Multiple Stacking Discounts
by Shep McAllister on Kinja Deals, shared by Shep McA from Lifehacker on (#3TRP6)
The vast majority of Qi wireless chargers on the market will only charge iPhones at 5W speeds, even if they're capable of supplying 10W to Android devices. A select few though use a very specific frequency that charges iPhones at a maximum 7.5W, and three of them are on sale right now for the best prices ever.