The Lemco GP23a 12v Battery is a compact, high-voltage alkaline power source commonly used in a variety of small electronic devices. Also known by equivalents such as A23, MN21, and LRV08, this non-rechargeable battery is designed to provide stable and reliable power for optimal performance. Constructed from eight individual alkaline button cells (LR932) enclosed within a wrapper, the GP23a battery features a zinc-manganese dioxide chemical composition. This design allows it to deliver a nominal voltage of 12 volts, which is often required for radio frequency transmitting and receiving devices. It is engineered to offer protection against leakage and boasts a typical shelf life of three years. Common applications for the Lemco GP23a 12v Battery include: - Keyless vehicle entry systems and car alarm remotes - Garage door openers - Home security systems and motion sensors - Wireless doorbells - Remote controls for various gadgets - Bluetooth headsets - Small medical devices and personal alarms Specifications: - Battery Type: Alkaline - Nominal Voltage: 12V - Chemistry: Alkaline Manganese Dioxide (Zn-MnO₂) - Diameter: Approximately 10.0 mm to 10.3 mm - Height: Approximately 28.2 mm to 28.5 mm - Typical Weight: Approximately 7.5 grams to 8 grams - Typical Capacity: 38 mAh to 55 mAh - Terminals: Raised positive and flat negative - Shelf Life: 3 years - Mercury-Free: Yes - Equivalent Models: MN21, GP23A, 23A, DSMN21, A23, K23A, LRV08, 4223, 23AE, V23GA, L1028, 8LR932, E23A, 1811A, 8LR23