Battery light Joker LED is a small and compact LED flashlight. The housing is made of robust and drop-resistant plastic. The Joker is rechargeable up to 1000 times on the mains and ensures flexibility and mobility with the integrated mains charging plug. The environmentally friendly NiMH battery used is protected against deep discharge by intelligent circuitry and is permanently chargeable. By using an institute-calculated lens optic, the Joker LED guarantees the user pre-focused, daylight-like light with a clearly defined and uniform light cone. With a lighting duration of approx. 60 min at constant brightness and a service life of the LED bulb of up to 100000 h, it can be used universally and for a long time.