Background: The systems’ energy is supplied by a rechargeable onboard battery, that is provided by one of several different external suppliers (vendors). As examples of such systems, think of a mobile phone, a standalone GPS navigation device or a portable music player.

The system shall be compatible with battery models provided by the five preferred battery suppliers.

The concrete list of suppliers will be available about 6 months prior to product release. Battery specifications from several vendors are available upon request.