If you don't want to spend money on batteries, this is the flashlight for you. The XR-66 has all the qualities of the Ledwave X series but with the added bonus of the "charge in" recharging system. The NI-CD battery will charge whilst in the body of the flashlight from the mains or by a car adapter. Popular with the emergency services and the security sector this is a professional tool with the highest standards of performance.