The Heine BETA "L" Bottom cap comes complete with a battery life indicator so you know when the handle needs recharged. If you are upgrading your existing 3.5v Heine handle to LED Beta Handles with the bottom cap, you must also purchase the new Lithium Ion Battery (H-6604). The battery and cap are made to work together.

For additional information please contact Customer Service at 800-400-4484 ext. 1.