This 12.0V alkaline battery is built to IEC A23 standards with a compact internal frame size and durable metal jacket, ideal for reliable power in compact electronic devices such as remote controls, keyless entry systems, doorbells and security transmitters. Measuring approximately 10.0 x 28.3 mm and weighing only 7.9 g, it is lightweight yet robust. The advanced zinc manganese dioxide electrochemical system delivers a nominal capacity of 55 mAh to 6.0 V (at 20 ± 2°C with a 20 kΩ continuous drain), ensuring long-lasting, stable performance and dependable voltage output for critical everyday applications.