PowerWave 7.5 Pad An expanded charging surface, adaptive technology, and advanced safety systems combine to create PowerWave, the premiere wireless charger from Anker. Advanced technology detects your wireless charge-compatible devices, delivering up to 7.5W for Apple devices, and 10W for Samsung. A state-of-the-art internal cooling fan prevents overheating and slowdown, maintaining high-speed charging from 0% to full. Anti-Slip Surface Case-Friendly Charging State-of-the-Art Internal Cooling