Panasonic 27A Alkaline 12V Battery | For Car Remote, Watches, and Electronics

• Battery Type: Miniature alkaline cylindrical battery (internally consists of 8 stacked LR732 alkaline cells)
• Nominal Voltage: 12.0 V
• Capacity: Approximately 20–28 mAh (varies by cutoff voltage and load; typical capacity ~27 mAh at 20 kΩ load down to 6.0 V cutoff at 21°C)
• Chemistry: Alkaline Manganese Dioxide (Zn/MnO₂)
• Rechargeable: No (primary cell)
• Dimensions: 7.7 mm diameter × 28.0 mm height
• Weight: Approximately 4.4 g
• Shelf Life: Typically 2–5 years depending on brand and storage temperature
• Operating Temperature: Generally –20°C to +54°C (standard for alkaline chemistry; refer to Panasonic datasheet for exact values)
• Typical Uses: Car alarm remotes, garage door openers, key fobs, headsets, glucose and blood pressure monitors, transmitters, access control devices, toys, and small electronics
• Compatible Model Numbers: A27, E27, CA22, MN27, EL-812, G27A, EL812, GP27A, L828