Adapting portable electrical devices to receive power wirelessly

A portable electrical device comprising:

• a battery including battery side battery contacts;
• device side battery contacts within a battery compartment of the portable electrical device for electrically connecting said battery side battery contacts of said battery to said device side battery contacts of the portable electrical device;
• device side internal power contacts other than said device side battery contacts of the portable electrical device, wherein said device side internal power contacts are located on an internal surface of the portable electrical device;
• a power receiving apparatus to enable the portable electrical device to receive power wirelessly, said power receiving apparatus including
• a power-receiving element for receiving power wirelessly from a transmitter of power when the portable electrical device and the transmitter are in proximity with one another;
• and
• power-receiving apparatus side power contacts for electrically connecting said power-receiving element and said device side internal power contacts to deliver power received by said power-receiving element through said device side internal power contacts.

A portable electrical device for use with a battery cover, the portable electrical device comprising:

• a housing having a battery compartment;
• device-side battery contacts within the battery compartment of the portable electrical device configured for electrical connection to battery-side battery contacts of a battery;
• device-side internal power contacts other than said device-side battery contacts, said device-side internal power contacts configured for electrical connection to power contacts of a wireless power-receiving element;
• wherein the portable electrical device is configured such that a cover fits on the portable electrical device to automatically bring said device-side internal power contacts of the portable electrical device into electrical connection with power contacts of a wireless power-receiving element on a battery cover.