Over temperature battery deactivation system
Passive cooling system
Plate shaped battery pack and portable radio terminal
Porous membrane having single layer structure, battery separator
Power source
Power source unit
Power supply unit and heat radiation method therefor
Protective apparatus for secondary battery
PTC current limiting header assembly
Rechargeable battery with PTC device
Rechargeable battery with temperature controlled switch
Safety device for use in secondary battery
Safety element for battery and battery with the same
Secondary battery
Secondary battery
Secondary battery
Secondary battery
Secondary battery having a container with a safety unit
Secondary battery including a safety device
Secondary cell protection circuit device and secondary cell...