A charge controller

摘要

A charging system 100 comprises an energy supply 104 and a charge controller 106,108 configured to determine a charging parameter for an electronic device 102 based on a charge end time and cause the energy supply 104 to provide power to the device 102 in accordance with the charging parameter. The charge controller is also configured to automatically cause the energy supply to charge the electronic device in response to the charge level of the device falling below a low-charge threshold value. The charging parameter may comprise a charging start time. The controller may determine a charging start time based on a charging profile such that the device has a target charge level at the charging end time. The charging parameter may be determined based on an energy usage profile and may be periodically recalculated. The energy supply 104 may comprise a fuel cell system. The controller may transmit a start-up signal to the energy supply at or in advance of the charging start time. The controller may receive a charging end time from alarm application software and may receive a target charge level and/or charging end time from a user interface.