The Energizer A27 is a 12-volt miniature alkaline battery designed to deliver dependable power for a wide range of compact electronic devices. Perfect for keyless entry systems, remote controls, garage door openers, alarm remotes, and other specialty electronics, this battery combines long-lasting performance with a lightweight, compact design that fits precisely into A27-compatible compartments.

• 12V nominal output for reliable, consistent power delivery
• Miniature alkaline chemistry engineered for high-drain applications
• Compact dimensions (8.0 mm diameter x 28.2 mm height, 4.4g weight)
• Zero-mercury construction for environmentally responsible operation
• Compatible with cameras, Bluetooth headsets, game controllers, and medical devices