A power conditioner, comprising: a series reactive circuit (230, 232) comprising an inductor and a capacitor coupled in a substantially series connection, the capacitor being connected to a power supply output port in a substantially parallel configuration; a power pack interface comprising a first selectably conductive path configurable to couple electrical current between a first power pack and the series reactive circuit, and further comprising a second selectably conductive path configurable to couple electrical current between a substantially series connected combination of the first power pack and a second power pack (202, 204) and the series reactive circuit; a switch configurable between a conducting state and a non-conducting state, the switch coupling electrical current between electrical ground and a coupling of the series reactive circuit and the power pack interface; a controller, communicatively coupled to the power pack interface, configured to: configure, based upon determining that a first power pack output voltage is above a voltage threshold that is based on a specified output voltage, one of the first selectably conductive path and the second selectably conductive path to couple electrical current to the series reactive circuit (510, 520); and configure the power pack interface to transfer energy from one of the second power pack and the first power pack to another of the first power pack and the second power pack, by being configured to: configure one of the first selectably conductive path or the second selectably conductive path to couple electrical current for a first time interval; configure, subsequent to the first time interval, another of the first selectably conductive path or the second selectably conductive path to couple electrical current for a second time interval. a series reactive circuit (230, 232) comprising an inductor and a capacitor coupled in a substantially series connection, the capacitor being connected to a power supply output port in a substantially parallel configuration; a power pack interface comprising a first selectably conductive path configurable to couple electrical current between a first power pack and the series reactive circuit, and further comprising a second selectably conductive path configurable to couple electrical current between a substantially series connected combination of the first power pack and a second power pack (202, 204) and the series reactive circuit; a switch configurable between a conducting state and a non-conducting state, the switch coupling electrical current between electrical ground and a coupling of the series reactive circuit and the power pack interface; a controller, communicatively coupled to the power pack interface, configured to: configure, based upon determining that a first power pack output voltage is above a voltage threshold that is based on a specified output voltage, one of the first selectably conductive path and the second selectably conductive path to couple electrical current to the series reactive circuit (510, 520); and configure the power pack interface to transfer energy from one of the second power pack and the first power pack to another of the first power pack and the second power pack, by being configured to: configure one of the first selectably conductive path or the second selectably conductive path to couple electrical current for a first time interval; configure, subsequent to the first time interval, another of the first selectably conductive path or the second selectably conductive path to couple electrical current for a second time interval. configure, based upon determining that a first power pack output voltage is above a voltage threshold that is based on a specified output voltage, one of the first selectably conductive path and the second selectably conductive path to couple electrical current to the series reactive circuit (510, 520); and configure the power pack interface to transfer energy from one of the second power pack and the first power pack to another of the first power pack and the second power pack, by being configured to: configure one of the first selectably conductive path or the second selectably conductive path to couple electrical current for a first time interval; configure, subsequent to the first time interval, another of the first selectably conductive path or the second selectably conductive path to couple electrical current for a second time interval. configure one of the first selectably conductive path or the second selectably conductive path to couple electrical current for a first time interval; configure, subsequent to the first time interval, another of the first selectably conductive path or the second selectably conductive path to couple electrical current for a second time interval.