This 23A high-voltage battery from GP is a powerful miniature electricity source. Despite its small size, comparable to a typical AAA battery, it delivers a 12V charge, making it a strong power provider for small devices. As a long-life alkaline battery, it is suitable for high-drain situations. Its compact size, high power, and long life make it a popular choice for doorbells, whether smart, transmitting, or traditional. Sold in a pack of five, it is also ideal for powering remote controls such as alarm on/off switches and door entry systems. The battery features 12V for powerful performance and is a long-life alkaline battery. It contains no mercury and has no added lead. This battery is commonly used for car alarm systems and car remote controls, with other designations including 23AE, 23GA, A23, E23A, GP23A, K23A, L1028, LR23A, LRV08, LRVO8, MN21, MS21, V23, V23GA, and VR22. The battery has a diameter of 10.0 mm and a height of 28.0 mm.