Method of managing the supply and supply circuit comprising two batteries

摘要

The present invention relates to a method for controlling the electrical supply of an apparatus (1) by means of at least a first battery (4.1) and a second battery (4.2), comprising the steps of: the appliance is powered by means of the first battery as long as that - latter has a sufficient charge level in order to supply the device; when the battery has a level of charge that is insufficient, the appliance is powered by means of the second battery; the appliance is powered with the two batteries in parallel, when the levels of charge of the two batteries are substantially equal and insufficient to allow the supply of the apparatus by a single batteries.l' invention also relates to an electrical power supply circuit for implementing this process.