Patent ID: 8687338

Claim:
An apparatus comprising: one or more charge/discharge units; one or more switch circuits; a plurality of power electrodes connectable to the one or more charge/discharge units; a plurality of control electrodes connectable to the one or more switch circuits; a low melting point metal body, wherein a first end of the low melting point metal body is connected to a first power electrode and a second end of the low melting point body is connected to a second power electrode; a first heater element thermally coupled to the low melting point metal body, wherein a first end of the first heater element is connected to the first power electrode and a second end of the first heater element is connected to a first control electrode; and a second heater element thermally coupled to the low melting point metal body, wherein a first end of the second heater element is connected to the second power electrode and a second end of the second heater element is connected to a second control electrode.