with the strap 42 placed into the relief recess 54 referring now to fig4 the battery charger 70 re charges the flashlight 50 while it sits in a socket 76 of the battery charger 70 the battery charger 70 preferably has sockets 76 for each flashlight 50 the battery charger 70 includes a grounded polarity sensitive plug 74 on an electrical cord 72 and which can be inserted into a standard household 110 vac receptacle the battery charger 70 is equipped with a two position on off rocker type charger switch 78 and a sufficient number of charge indicator lights 82 to correspond to the number of flashlights 50 being recharged the charge indicator lights 82 are preferably light emitting diodes emit green light when the batteries have a full charge the charge indicator lights 82 beneficially emit red light when the associated flashlight battery 50 is charging the battery charger 70 includes the necessary electrical components such as but not limited to a step down transformer power converter a current limiter and overload protection as may be necessary to safely and efficiently recharge the battery within each flashlight 50 the electrical operation of the battery charger 70 is best understood with reference to fig5 when the plug 74 is inserted into an ac receptacle input power is applied to the charger switch 78 when the charger switch 78 is closed electrical power is applied to a power supply 89 battery charging current is then applied to recharger contacts 80 located in the sockets 76 when a flashlight 50 is inserted into a socket 76 the.