Replacement rechargeable battery fits only TSL-1000 and TSL-1500 Headlights. ***PLEASE NOTE*** DO NOT TRY THESE BATTERIES WITH OUR NEWER + LIGHTS. THEY WILL CAUSE DAMAGE TO LIGHT.Whether you need to replace an existing battery or to have an extra battery on hand for 24 hour races, the RB-LI-4 is what you've been looking for.
