Patent ID: 9716401
Date: 2017-07-25
CPC Classifications: H01M,H02J,H04Q,Y02E

Claim:
1. A rechargeable battery pack for use with an electronic device having wireless charging features, the rechargeable battery pack comprising: a housing having at least a first surface and a second surface; one or more rechargeable batteries; a first inductive coil proximate the first surface of the housing, the first inductive coil configured for wirelessly receiving electrical power from an external power source; electrical circuitry for storing the received electrical power in the one or more rechargeable batteries; a second inductive coil proximate the second surface of the housing, the second inductive coil configured for wirelessly transmitting at least a portion of the received electrical power stored in the one or more rechargeable batteries to the electronic device; and one or more visual alignment indicators, wherein the one or more visual alignment indicators are controlled by the electrical circuitry to provide a visual indication of a suggested positioning adjustment for the electronic device relative to the second inductive coil to improve an efficiency of the wireless transmitting of the electrical power, wherein the one or more visual alignment indicators comprises four light emitting diodes (LEDs), each of the four LEDs proximate the second surface of the housing and each respectively associated with a direction relative to the housing, wherein the directions have approximately ninety degree relationships to each other in a plane that is approximately parallel to the second surface.