Renowned for quality, these MN21 key fob batteries provide long-lasting performance for various applications, from garage door openers to security systems. Trust Duracell for reliability and extended range, making it the ideal choice for your electronic needs. 

• Trusted Duracell quality  
• Reliable long-lasting performance  
• Versatile use for key fobs, garage door openers, and security devices  
• Capacity: 38mAh  
• Voltage: 12v