Together with the pillow that's a very convenient charging option. Also, I have a feeling that has grown by the longer charging of about 30 minutes. The battery capacity by 10% to. My 820 had temporarily far too short a power endurance. Together with Win 8.1 and the charging pad and the charging cradle, the capacity has increased by at least 50%, so I now have a full-time capacity available and additional evening use a vocabulary learning program on the Nokia 820 for 45min. DAfter the capacity has dropped to 10% and overnight wirds then eye reload. This even works flawlessly with leather sheath, also purchasable at Amazon (black leather case with magnetic closure)