A secondary battery protection circuit comprising: a first terminal and a second terminal; a charge switch comprising a first transistor and a first diode electrically coupled across a source and a drain of the first transistor; a discharge switch comprising a second transistor and a second diode electrically coupled across a source and a drain of the second transistor; wherein the discharge switch is electrically connected to the first terminal and the charge switch is electrically connected to the discharge switch and the second terminal; and a control circuit comprising: a first fuse electrically coupled to the charge switch to permanently turn the charge switch off in the event that the first fuse opens; a fuse control circuit configured to: determine whether a fault condition is a discharging fault condition or a charging fault condition and cause current sufficient to open the first fuse to pass through the first fuse in the event of the charging fault condition to disable charging operations of a battery to be protected by the secondary battery protection circuit; and characterized in that: the control circuit further comprises a second fuse electrically coupled to the discharge switch to permanently turn the discharge switch off in an event that the second fuse opens; and in that the fuse control circuit is further configured to cause current sufficient to open the second fuse to pass through the second fuse in the event of the discharging fault condition to disable discharging operations of the battery. a first terminal and a second terminal; a charge switch comprising a first transistor and a first diode electrically coupled across a source and a drain of the first transistor; a discharge switch comprising a second transistor and a second diode electrically coupled across a source and a drain of the second transistor; wherein the discharge switch is electrically connected to the first terminal and the charge switch is electrically connected to the discharge switch and the second terminal; and a control circuit comprising: a first fuse electrically coupled to the charge switch to permanently turn the charge switch off in the event that the first fuse opens; a fuse control circuit configured to: determine whether a fault condition is a discharging fault condition or a charging fault condition and cause current sufficient to open the first fuse to pass through the first fuse in the event of the charging fault condition to disable charging operations of a battery to be protected by the secondary battery protection circuit; and characterized in that: the control circuit further comprises a second fuse electrically coupled to the discharge switch to permanently turn the discharge switch off in an event that the second fuse opens; and in that the fuse control circuit is further configured to cause current sufficient to open the second fuse to pass through the second fuse in the event of the discharging fault condition to disable discharging operations of the battery. a first fuse electrically coupled to the charge switch to permanently turn the charge switch off in the event that the first fuse opens; a fuse control circuit configured to: determine whether a fault condition is a discharging fault condition or a charging fault condition and cause current sufficient to open the first fuse to pass through the first fuse in the event of the charging fault condition to disable charging operations of a battery to be protected by the secondary battery protection circuit; determine whether a fault condition is a discharging fault condition or a charging fault condition and cause current sufficient to open the first fuse to pass through the first fuse in the event of the charging fault condition to disable charging operations of a battery to be protected by the secondary battery protection circuit; and characterized in that: the control circuit further comprises a second fuse electrically coupled to the discharge switch to permanently turn the discharge switch off in an event that the second fuse opens; and in that the fuse control circuit is further configured to cause current sufficient to open the second fuse to pass through the second fuse in the event of the discharging fault condition to disable discharging operations of the battery. the control circuit further comprises a second fuse electrically coupled to the discharge switch to permanently turn the discharge switch off in an event that the second fuse opens; and in that the fuse control circuit is further configured to cause current sufficient to open the second fuse to pass through the second fuse in the event of the discharging fault condition to disable discharging operations of the battery.