Barska CR123A Lithium Batteries serve as excellent replacement batteries for your high-powered electronic devices. These Barska batteries pack three volts into a standalone lithium battery. Ideal for laser sights and flashlights, the batteries will help you get more life out of your gear. The Barska CR-123A Three Volt Battery 2-Pack are not rechargeable, but they will help power a wide range of Barska devices. These lithium batteries are ideal for use with the Barska GLX laser sights, flashlights, and other equipment. Keep your sights and lights working at top quality with the Barska CR123A Two Pack.