A rechargeable flashlight has a rear housing containing a rechargeable battery, a charge/discharge circuit for the battery and a first connector fixed to the rear housing and connected to the charge/discharge circuit. A front housing has an LED light source with LED lighting circuit connected to the light source and mounted in the front housing. A second connector is fixed to a rear end of the front housing for connecting to the first connector for supplying power to the LED lighting circuit. A switch is mounted to the front or rear housings and is connected to one of the circuits for powering the light source. A lens housing on the front housing focuses light from the light source and a mechanical coupler fixes the housings and connects to each other.