AG6 Button Cell Battery (LR921, 371, SR921) The AG6 is a compact 1.5V alkaline button cell battery designed to power a variety of small electronic devices. With a diameter of 9.5 mm and a height of 2.1 mm, it is commonly used in watches, calculators, small toys, laser pointers, and digital thermometers. The AG6 delivers reliable, long-lasting power with a leak-resistant design, making it a dependable choice for both everyday and specialty gadgets. Key Features: Voltage: 1.5V Size: 9.5 mm (diameter) x 2.1 mm (height) Long shelf life and consistent performance Ideal for compact, low-drain devices Leak-resistant for added safety Also known as: LR921, 371, SR921, SR69, V371, GP371, L921